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Using a calculator, work out the value of (7.6 x 10^-4) × (8.2 × 10^11) Give your answer in standard form.
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1 vote
Using a calculator, work out the value of

(7.6 x 10^-4) × (8.2 × 10^11)
Give your answer in standard form.

User Ashish M
by
6.3k points

1 Answer

6 votes
I’ll try my best.

(7.6 x 10 ^-4) x (8.2 x 10 ^11)

Swap 10 ^-4 with 8.2

(7.6 x 8.2) x (10 ^-4 x 10 ^11)

Solve (7.6 x 8.2) = 62.32
Solve (10 ^-4 x 10 ^11) = 10 ^-4+11 = 10^7

Therefore = 6.232 x 10^8 = 623, 200, 000
User Andrew Messier
by
6.1k points
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