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)
Responses
3.99×105 seconds
3.99 times 10 superscript 5 baseline seconds
3.99×103 seconds
3.99 times 10 cubed seconds
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 answers
The correct answer is: 6.65 x 10^4 seconds
but thats not one of the answer choices
Apologies for the oversight. Let's calculate the total number of seconds the playlist will play:
Total number of songs: 1,900
Average time per song: 3.5 minutes
Total time for all songs = 1,900 songs * 3.5 minutes/song
Convert minutes to seconds: 60 seconds = 1 minute
Total time = 1,900 * 3.5 * 60 seconds
Total time = 399,000 seconds
Expressing this in scientific notation:
399,000 = 3.99 x 10^5 seconds
Therefore, the correct answer is: 3.99 x 10^5 seconds
Total number of songs: 1,900
Average time per song: 3.5 minutes
Total time for all songs = 1,900 songs * 3.5 minutes/song
Convert minutes to seconds: 60 seconds = 1 minute
Total time = 1,900 * 3.5 * 60 seconds
Total time = 399,000 seconds
Expressing this in scientific notation:
399,000 = 3.99 x 10^5 seconds
Therefore, the correct answer is: 3.99 x 10^5 seconds
7 answers