Question

express 9^-3as a power with the base 3​

Answer 1

Answer:

3^-6...............

Answer 2

Answer:

answer is 3^-6 or 1÷3^6

Step-by-step explanation:

we know that a^-m can be written as 1 ÷ a^m

so 9^-3 = 1 ÷ 9^3

as the 9 is the square of 3 so it can be written as

3 power 2 whole power -3

according to law of exponents a power m whole n can

be

written as a power mn

so it is equal to 1 ÷ 3^2×3 = 1 ÷ 3^6 which is also equal

to 3 ^-6