An algebra problem by Javed Siddiqui

Algebra Level 2
  1. The distance light travels in one year is approximately 5,870,000,000,000 miles. The distance light travels in 100 years is

(a) 587 × 10^8 miles, (b) 587 × 10^10 miles, (c) 587 × 10^-10 miles, (d) 587 × 10^12 miles,

i am sorry i did not notice i was to add ^ but forgot so while solving the question do focus the parts a,b,c,and d.
587 × 1 0 8 587 × 10^8 miles, 587 × 1 0 12 587 × 10^{12} miles 587 × 1 0 10 587 × 10^{10} miles 587 × 1 0 10 587 × 10^{-10} miles

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1 solution

Javed Siddiqui
Aug 4, 2016

Solution:

The distance of the light travels in 100 years is:

5,870,000,000,000 × 100 miles.

= 587,000,000,000,000 miles.

= 587 × 1012 miles.

Answer: (d)

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