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