Place the numbers in descending order.

Question

2.3 × 10−10 ; 3.2 × 10−10 ; 2.3 × 10−12 ; 2.3 × 10−8

Answer 1

3.2 × 10−10 ; 2.3 × 10−10 ; 2.3 × 10−8 ; 2.3 × 10−12

Answer 2

Janiya found that her playlist will play for 3.8×102 seconds, 6.3¯¯¯ ×105minutes, 1.05¯¯¯¯¯ ×104 hours, or 4.39814¯¯¯¯¯¯¯¯¯¯¯¯ ×102 days. Which answer uses the most appropriate units?(1 point)
Responses

4.39814¯¯¯¯¯¯¯¯¯¯¯¯ ×102 days
4 point modifying above 39814 with bar times 10 squared days

6.3¯¯¯ ×105 minutes
6 point modifying above 3 with bar times 10 superscript 5 baseline minutes

3.8×107 seconds
3.8 times 10 superscript 7 baseline seconds

1.05 ¯¯¯¯¯¯ ×104 hours