SOLUTION: What is 2 to the negative 5 times 4 to the negative 3 ? I'm getting an answer in decimal form....4.8828125 to the negative 04 .Please help

Algebra ->  Exponents -> SOLUTION: What is 2 to the negative 5 times 4 to the negative 3 ? I'm getting an answer in decimal form....4.8828125 to the negative 04 .Please help      Log On


   

Question 104571: What is 2 to the negative 5 times 4 to the negative 3 ? I'm getting an answer in decimal form....4.8828125 to the negative 04 .Please help
Found 2 solutions by Fombitz, edjones:
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
You are correct.
2%5E-5=1%2F2%5E5=1%2F32
4%5E-3=1%2F4%5E3=1%2F64
%282%5E-5%29%2A%284%5E-3%29=%281%2F32%29%2A%281%2F64%29
%282%5E-5%29%2A%284%5E-3%29=%281%2F2048%29 or in scientific notation
4.8828125 x 10%5E%28-4%29

Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!

I like 1/2048 the best it shows that you know what you are doing and not just plugging numbers into a calculator but all the answers are correct.
Ed