amastar
amastar amastar
  • 24-08-2018
  • Mathematics
contestada

which represents the smallest number A.3.8 x 10^7 B.3.8 C.3.8*10^-18 D.3.8*10^15

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altavistard
altavistard altavistard
  • 24-08-2018

Arranging these numbers in a vertical column makes it easier to rank them by size:

A.3.8 x 10^7

B.3.8

C.3.8*10^-18

D.3.8*10^15

That factor 10^15 in D is by far the largest power of 10 in this list. The correct answer is D.


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