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30 December, 09:46

Bryan hiked 8.48x 105 feet last summer. There are approximately 5.3x 10 feet in

a mile. About how many miles did he hike?

Select one:

O 160 miles

1.6 miles

1,600 miles

16 miles

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Answers (1)
  1. 30 December, 09:54
    0
    Answer: the number of miles that Bryan hiked is 160

    Step-by-step explanation:

    Total distance that Bryan hiked last summer was 8.48x 10^5 feet.

    There are approximately 5.3 x 10^3 feet in a mile. Converting 8.48 * 10^5 feet to miles, it becomes

    8.48 * 10^5/5.3 x 10^3

    Applying the rules of indices which is expressed as

    a^x : a^y = a^ (x - y)

    It becomes

    = 1.6 * 10^ (5 - 3)

    = 1.6 * 10^2

    = 160 miles
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