Jim’s music library on his phone holds 1,900 songs. The songs have an average time of 3.5 minutes. Use scientific notation to find the total number of seconds the playlist will play. Express the answer to the exact decimal place.(1 point)

Question

Responses

0.399×106 seconds
0.399 times 10 superscript 6 baseline seconds

3.99×104 seconds
3.99 times 10 superscript 4 baseline seconds

3.99×103 seconds
3.99 times 10 cubed seconds

3.99×105 seconds

Answer 1

To find the total number of seconds the playlist will play, we need to multiply the number of songs by the average time of each song.

Number of songs: 1,900
Average time per song: 3.5 minutes

So, the total time for all songs in minutes would be:
1,900 songs * 3.5 minutes/song = 6,650 minutes

To convert minutes to seconds, we multiply by 60 (since there are 60 seconds in a minute):
6,650 minutes * 60 seconds/minute = 399,000 seconds

Expressing this in scientific notation to the exact decimal place, we get:
3.99 x 10^5 seconds

So the correct answer is "3.99 x 10^5 seconds".