Find the product.(2x + 8)(x + 10)

Find the product.(2x – 7)(x + 11)

Simplify the expression using the products to powers rule.(-2pqr)4

Simplify the expression using the quotients-to-powers rule.-1

Find the product.(-9a – 5b)(8a + 7b)

Simplify. Write the answer with only positive exponents. Assume that all variables represent nonzero real numbers.(2x3y5)2(5y3)3

Find the product.(x + 7)(5x + 8)

Simplify the expression.(-2p4q4r4)5

Write the decimal as a fraction. Do not write in lowest terms.0.812

Evaluate the expression for the given value or values of the variables. 2(a+c)-(b+d) if a=1, b=2, c=-1, and d=-2