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Paul [167]
3 years ago
12

Simplify the following expression: (6.8 × 10^3) ×(4.54 × 10^6)

Mathematics
1 answer:
swat323 years ago
8 0
(6.8\cdot10^3)\cdot(4.54\cdot10^6)=(6.8\cdot4.54)\cdot(10^3\cdot10^6)=30.872\cdot10^{3+6}\\\\=30.872\cdot10^9=3.0872\cdot10^{10}

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Problem 5

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To convert from square inches to square feet, we divide by 144. This is because 12^2 = 144.

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=====================================

Problem 6

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How much does the atmosphere weigh over each square meter of surface? express this in tonnes (units of 1000 kg). recall the conv
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