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hayle08 hayle08
  • 20-04-2016
  • Mathematics
Answered

whats 7x10 to the -8 power + 2 x 10 to the -8 power

Verified Answer :

GeneralKnowledge GeneralKnowledge
  • 20-04-2016

9x10 to the -8th power. 

Since the numbers are both x10^-8, you can simply add 2 and 7. If you would rather look at it as:
0.00000007 + 0.00000002 = 0.00000009 = 10x10^-8
then you will get the same answer.

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