Each day Sheila doubles the number of push-ups she did the day before on the fifth day she does 2•2•2•2•2 an exponent to write the number of push ups nsheila does on the fifth day
[tex] 2^{5} [/tex] this means 2 x 2 x 2 x 2 x 2 so you put 2 on the bottom and a small 5 in the top right of it to show that you are multiplying the 2, 5 times.