How do you simplify (4 times 10^3)(7 times 10^2)?

1 Answer
Tony B
Sep 17, 2016

2.8xx10^6 larr" Scientific notation"

Explanation:

(4xx7) xx 10^3xx10^2

28xx10^(3+2)" "->" "28xx10^5

2.8xx10^6 larr" Scientific notation"
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color(brown)("You can interchange the numbers as they are 'commutative'")

Example: 2xx5 is the same as 5xx2

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