Question

How do you simplify `2^-2times2^6`?

Answer 1

Use the rule for exponents: `color(red)(x^a xx x^b = x^(a+b))`

`2^-2 xx 2^6 = 2^(-2+6) = 2^4 = 2 xx 2 xx 2 xx 2 = 16`