Question

Use scientific notation to estimate the number of inches in 1,425 miles. Include all calculations in your final answer.

1 inch ≈ 1.578 · 10 -^5 miles.

I NEED HELPPP!! ASAP!!


FOR 25PTS!

Answer 1

Here,

$1.578 \times {10}^{ - 5} miles = 1 \: inches \\ 1 \: miles = \frac{1}{1.578 \times {10}^{ - 5} } \: inches\\ 1425 \: miles = \frac{1}{1.578 \times {10}^{ - 5} } \times 1425 inches\\ = 9.03 \times {10}^{7} inches$

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