Question

Simplify this expression. If the answer contains exponents, all exponents should be positive.

Answer 1

below

Explanation:

(7p^9)^-4 a negative exponent means move the number up or down in the fraction

= 1 / [ (7 p^9) ^4 ]

= 1 / ( 7^4 p^36) = 1/(2401 p^36) <===don't omit the parentheses!