Question

which exponent expression is equal to 2^-5 . 2^8​

Answer 1

Solution

${2}^{ - 5} \times {2}^{8} \\ = {2}^{ (- 5 + 8)} \\ = {2}^{3} \\ = 2 \times 2 \times 2 \\ = 8$

The answer is 8.