ASVAB Arithmetic Reasoning Practice Test 957544

Question 1 of 5
Multiplying & Dividing Exponents

To multiply terms with the same base, multiply the coefficients and add the exponents. To divide terms with the same base, divide the coefficients and subtract the exponents. For example, 3x2 x 2x2 = 6x4 and \({8x^5 \over 4x^2} \) = 2x(5-2) = 2x3.

What is -2a7 x 9a5?

-18a-2
-18a12
-18a5
7a35