amberr813
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Amanda is adding the numbers below.
[tex]3.7 x 10^{20} + 4.45 x 10^{20} [/tex]

What is the sum written in scientific notation?

Respuesta :

Prepsii
Basically what you do is                             (the ^ arrow meaning exponent)
You take 3.7 + 4.45 x 10^20
Then 8.15 x 10^20, remove the decimal of 8.15 = 815 x 10^-2 x 10^20
815 x 10^18 = 815000000000000000000

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