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32 votes
32 votes
Work out (5*10^3)*(9*10^7)
Give your answer in standard form.

User Benj
by
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1 Answer

10 votes
10 votes

Answer:

4.5 x 10^11

Explanation:

5×9 = 45

10^3 × 10^7 = 10^10

4.5× 10^1 × 10^10

4.5 × 10^11

User Andreas Brinck
by
2.8k points