Question 75674
1. Simplify and evaluate:
(x7 y-4 z0 / 5-2 x3 y-8 z-9)2 
Your post is too confusiing.
--------------

2. Convert to scientifique notation (here you may use x as multiplication):
0.00452 =4.52 x 10^-3
================
Cheers,
Stan H.