Question 1118710
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a) {{{4 = 2^2 = (10^b)^2 = 10^(2b)}}}<br>
b) {{{16 = 2^4 = (10^b)^4 = 10^(4b)}}}<br>
c) {{{0.25 = 1/4 = 2^(-2) = (10^b)^(-2) = 10^(-2b)}}}