Part A the second measurement is 1 because everything you do to the numerator you do to the denominator. So for Part A the other cups is 1
None of the answer matches the correct ans
(3.4×10-14)(1.8×10^28)
20(1.8×10^28)
3.6×10^29
Hello!
All you have to is isolate the X variable :)
X + 25 = 45
X = 45 - 25
X = 20
I hope this helps :))
