Question

A series of movies is about $3.285\times {10}^4$ seconds long.How long does it take to watch the series twice? Express your answer using more-appropriate units.

Answer 1

Step 1 : Finding the time to watch the series twice

Given, a series of movies is about $3.285\times {10}^4$ seconds long.

Hence, to watch the series twice you need time $=2\times 3.285\times {10}^4$ seconds.

$=6.57\times {10}^4$ seconds

$=65700$ seconds

Step 2: Writing answer in more appropriate units

We can write the answer in hours instead of seconds .

Now , we know that hour = $60\times 60$ seconds

= $3600$ seconds

Hence, to watch the series twice you need time $=\frac{65700}{3600}$ seconds.

$=18.25$ hours.