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Multiply: (9y-7)(81y^2 + 63y +...

I will tip as usual, more based on the number of problems:

Multiply:

(9y-7)(81y^2 + 63y + 49)

(x+3)(x-5)

(3a^2b^4)(4a^2b^2)

-12(6x + 2)

(7p -1)(49p^2 + 7p +1)

(x+3)(x-3)

7ax^5(4ax^4 + 6x^2 +7)

(x-3)(9x^2 + x + 8)

(-5x^3y^4)(2x^2y^2)

Multiply, Show all steps:

(-2x^6)(3x^4)(-4x^3)

(2x^2 – 2x + 3)(x^2 – 5x + 1)

(4y + 1)(3y^2 + 27 – 4)

9s^3x^7(-11a^6x^9 + 12x^6 – 3a)

Evaluate: 4^0

Factor. Check by multiplying:

a^7 – 16a^5

-6 +2x – 18y

Multiply or divide and write scientific notation for the result:

(7.66 times 10^2)(6.29 times 10^-4)

Simplify. Do not use negative exponents in the answer: x times x^-7

If the number in the sentence is in scientific notation, convert it to decimal notation. If the number in the sentence is in decimal notation, convert to scientific notation: 481,000 (as a example 4.81 x 10^-5)

4,322,510

Convert to decimal notation: 7.98 times 10^3

Add, Show work: (x^3y^2 – 3x^2y^3 – 2xy +4) + (x^2y^3 + 8x^3y^2 + 5xy + 2)

Evaluate the polynomial.

-4x^2 – 2x + 2 for x= -2

2x^3 + 5x^2 – x – 22 for x= -3

The average weight W (in ounces) of a fish caught in a certain lake is given by W= 0.001x^3 + 0.03x^2, where x is the length in inches. Estimate the weight of a fish from the lake that s 14 inches long.

Show work: The height H(in feet) of a ball thrown into the air from the top of a building after t seconds id given by H= -16t^2 + 47t + 210. Find the approximate value of 16t^2 + 47t + 210 for t=1.

Find the two equivalent expressions for the opposite of the polynomial. -7x^2 + 4

Solve. Express in scientific notation to two decimals unless requested otherwise.: The earth is approximately 92,900,000 miles from the sun. If 1 mile = 1.61 times 10^3m. What is the distance to the sun in meters?

During the first seconds, the height h in feet of a baseball after t seconds is given by h= -16t^2 + 97t + 3.8. Estimate the height of the baseball after 4 seconds.

Evaluate. (2x)^0 + 1 for x= -3

Show work. Write an equivalent using positive exponents. Then simplify, if possible. (4/a)^-3

Simplify: -(4x -3)

Write an equivalent expression using positive exponents. Then simplify if possible: x^-6

Evaluate: (6x + 13)^0 for x= -8

Show work: 23.3 times 10^-4 over 5 times 10^6

The distance D in feet takes a car traveling at x mph to come to a full stop after hitting brakes is given by D= 1.26x^2 + 0.075x. Estimate the stopping distance for a car traveling at 40 mph.

Add: (8x + 5) + (-4x + 1)

Show all steps. Factor. Check by multiplication: 80x^8y^7 – 72x^5y^5 – 24x^2y^2

Show steps to solve. Assume that the volume of the earth is 5 times 10^14 cubic meters and the volume of a bacterium is 2.5 x 10^-16 cubic meters. If the earth could be filled with bacteria, how many would it contain? Round to one decimal place.

Subtract: (9x^5 + 16x^3 + 15) – (4x^3 + 4x^5 – 13)

Multiply:

(9y-7)(81y^2 + 63y + 49)

(x+3)(x-5)

(3a^2b^4)(4a^2b^2)

-12(6x + 2)

(7p -1)(49p^2 + 7p +1)

(x+3)(x-3)

7ax^5(4ax^4 + 6x^2 +7)

(x-3)(9x^2 + x + 8)

(-5x^3y^4)(2x^2y^2)

Multiply, Show all steps:

(-2x^6)(3x^4)(-4x^3)

(2x^2 – 2x + 3)(x^2 – 5x + 1)

(4y + 1)(3y^2 + 27 – 4)

9s^3x^7(-11a^6x^9 + 12x^6 – 3a)

Evaluate: 4^0

Factor. Check by multiplying:

a^7 – 16a^5

-6 +2x – 18y

Multiply or divide and write scientific notation for the result:

(7.66 times 10^2)(6.29 times 10^-4)

Simplify. Do not use negative exponents in the answer: x times x^-7

If the number in the sentence is in scientific notation, convert it to decimal notation. If the number in the sentence is in decimal notation, convert to scientific notation: 481,000 (as a example 4.81 x 10^-5)

4,322,510

Convert to decimal notation: 7.98 times 10^3

Add, Show work: (x^3y^2 – 3x^2y^3 – 2xy +4) + (x^2y^3 + 8x^3y^2 + 5xy + 2)

Evaluate the polynomial.

-4x^2 – 2x + 2 for x= -2

2x^3 + 5x^2 – x – 22 for x= -3

The average weight W (in ounces) of a fish caught in a certain lake is given by W= 0.001x^3 + 0.03x^2, where x is the length in inches. Estimate the weight of a fish from the lake that s 14 inches long.

Show work: The height H(in feet) of a ball thrown into the air from the top of a building after t seconds id given by H= -16t^2 + 47t + 210. Find the approximate value of 16t^2 + 47t + 210 for t=1.

Find the two equivalent expressions for the opposite of the polynomial. -7x^2 + 4

Solve. Express in scientific notation to two decimals unless requested otherwise.: The earth is approximately 92,900,000 miles from the sun. If 1 mile = 1.61 times 10^3m. What is the distance to the sun in meters?

During the first seconds, the height h in feet of a baseball after t seconds is given by h= -16t^2 + 97t + 3.8. Estimate the height of the baseball after 4 seconds.

Evaluate. (2x)^0 + 1 for x= -3

Show work. Write an equivalent using positive exponents. Then simplify, if possible. (4/a)^-3

Simplify: -(4x -3)

Write an equivalent expression using positive exponents. Then simplify if possible: x^-6

Evaluate: (6x + 13)^0 for x= -8

Show work: 23.3 times 10^-4 over 5 times 10^6

The distance D in feet takes a car traveling at x mph to come to a full stop after hitting brakes is given by D= 1.26x^2 + 0.075x. Estimate the stopping distance for a car traveling at 40 mph.

Add: (8x + 5) + (-4x + 1)

Show all steps. Factor. Check by multiplication: 80x^8y^7 – 72x^5y^5 – 24x^2y^2

Show steps to solve. Assume that the volume of the earth is 5 times 10^14 cubic meters and the volume of a bacterium is 2.5 x 10^-16 cubic meters. If the earth could be filled with bacteria, how many would it contain? Round to one decimal place.

Subtract: (9x^5 + 16x^3 + 15) – (4x^3 + 4x^5 – 13)

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