251.5 = 253/2 = [ sqrt(25) ]3 = 53 = 125
10 to the power of -15 is 1/10^15. (1/1,000,000,000,000,000 [15 zeroes])It can also be written as 0.000000000000001 (There are 15 zeroes).OR -1,000,000,000,000,000 (15 zeroes).
x in x 15 25?
Since the first value is negative, the answer must be -15 < 25.
25^15 = 9.31322575 × 1020
25, because 5x5=25
-25
25
25
32+15+25+8+10
.25 is a quarter. So .25 of an hour would be 15 minutes
25
m - 15 > m - 25