paigeee341p9nm0d paigeee341p9nm0d

16-06-2018
Mathematics

contestada

What’s the first step when adding 1.45 • 10^8 and 3.9 • 10^7

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AnnaBeth5 AnnaBeth5

16-06-2018

You have to multiply the exponents...
10*10*10*10*10*10*10*10 = 100000000
1.45 * 100000000 = 145000000

10*10*10*10*10*10*10 = 10000000

3.9 * 10000000 = 39000000

145000000 + 39000000 = 184000000

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