paigeee341p9nm0d
paigeee341p9nm0d paigeee341p9nm0d
  • 16-06-2018
  • Mathematics
contestada

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

Respuesta :

AnnaBeth5
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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