Answer:
24.32x10^8
Step-by-step explanation:
3.8x10^2 and 6.4x10^6
Put in expression.
(3.8x10^2)+(6.4x10^6)
Remover parenthesis.
3.8x10^2+6.4x10^6
Rearrange so like terms are together.
(3.8x6.4)+(10^2x10^6)
Then combine like terms.
24.32x10^8
So that's the answer.
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hope it helps
