Asked by Francie

Evaluate the expressions:

15*(80 +170)/5^2=
160/2^4+2^7-75=

Answers

Answered by Bosnian
5 ^ 2 = 5 * 5 = 25



15 * ( 80 + 170 ) / 5 ^ 2 =

15 * ( 80 + 170 ) / 25 =

15 * 250 / 25 =

15 * 10 = 150






2 ^ 4 = 2 * 2 * 2 * 2 = 16

2 ^ 7 = 2 * 2 * 2 * 2 * 2 * 2 * 2 = 128



160 / 2 ^ 4 + 2 ^ 7 - 75 =

160 / 16 + 128 - 75 =

10 + 128 - 75 = 63
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