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Use scientific notation to estimate the number of inches in 1,225 miles. Include all calculations in your final answer.

1 inch ≈ 1.578 × 10 -5 miles.

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tutorAnne

Answer: In 1225 miles, there are ≈7.7629 x 10⁷ inches

Step-by-step explanation:

Given that

1 inch≈ 1.578 × 10 -5 miles.

?? inches   =      1225 miles

Solving  

(1,225 x 1 inch) / 1.578 x 10 ⁻⁵)

=77,629,911 changing to scientific notation becomes 7.7629 x 10⁷ inches

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