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(4.2x10^2) + (2.3x10^4)
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(4.2x10^2) + (2.3x10^4)

User Bigfanjs
by
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1 Answer

3 votes

Answer:

23,420

Explanation:

10^2=100

4.2×100=420

10^4=10,000

2.3×10,000=23,000

420+23,000=23,420

User Alan Ocallaghan
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