Question

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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.

Answer 1

1225*(1.578*10^-5)=1.933*10^-2

1.578*10^-5= 0.00001578

1225*0.00001578=0.0193305

0.0193305=1.933*10^-2