Use exponents to write the numbers 81 and 64 in as many different ways as you can. Then write 64/81 using exponents in as many different ways as you can.

Answer 1

81 = 3^0 * 3^4 = 3^1 * 3^3 = 3^2 * 3^2
similarly for 64 = 2^6

Answer 2

some of them aren't right