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

Find the product.(x – 2)(4x – 9)

Find the product.(x – 10)(5x – 12)

Simplify. Write the answer with only positive exponents. Assume that all variables represent nonzero real numbers.(2x5y3)2(2y4)3

Write the number in scientific notation.76,000

Simplify the expression so that no negative exponents appear in the final result. Assume all variables represent nonzero numbers.-5