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

User Jordi Xucla
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2 Answers

16 votes
16 votes
(5x10^3)(9x10^7)=4.5x10^11
standard form move decimal to the right 11 times, so 450000000000
User Peter Van Kekem
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15 votes
15 votes

Answer:

(5 x 10^3) (9 x 10^7) = 5 × 9 × 10^3 × 10^7 = 45 × 10^10

User Vatine
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