Karen is going on a hike to the top of a mountain. It will take 3 hours and 10 minutes to hike up the mountain and 1 hour and 25
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<u><em>The correct question is</em></u>
1x10 to the fifth power over 4x10 to the negative fourth power given on scientific notation
we know that
To divide two numbers in scientific notation, divide their coefficients and subtract their exponents.
we have