Heidi6780
Heidi6780 Heidi6780
  • 01-10-2020
  • Mathematics
contestada

Can someone help me on this a and b

Can someone help me on this a and b class=

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KristieKiwi KristieKiwi
  • 01-10-2020
For b the answer is 2.726x10^-2

So u move the decimal between the first and second number. And then for the exponent of 10, it’s -2 because to get from ur answer number (2.726) to the original number (0.02726) you’ll have to divide by 100 (=10^2). And dividing by 10^2 = x10^-2 (basically when u divide by 10^n = x10^-n)
Therefore the answer is 2.736x10^-2

Hope u understand what I’m saying, sorry if my explanation doesn’t rlly make sense
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