usmike44 usmike44
  • 15-12-2017
  • Mathematics
contestada

What is the product of 2.5 × 10−15 and 3.9 × 1026?

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tianna2020
tianna2020 tianna2020
  • 15-12-2017
2.5*10-15
First multiply 2.5 and ten to get 25. Then subtract 25-15. which equals 10/

3.9*1026= 4,001.4
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helpmetnx helpmetnx
  • 15-12-2017
(2.5 * 10^-15) * (3.9 * 10^26) 
Rewrite 
(2.5 * 3.9) * (10^-15 * 10^26)
2.5 * 3.9 is 9.75
-15 + 26 is 11
rewrite it as
9.75 * 10^11

Hope this helps :)
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