Answers

2015-07-22T17:01:05+08:00
40(5)-1=199
forty times 5 minus 1 equals 199
0
thank you for your answer but -1 is an exponent
if -1 is the exponent the answer is 0 ..
2015-07-22T17:48:20+08:00
40y^-1
= 40/y^1

y=5

40/5
=8..

the answer is 8



0