Answer:
45 seconds
Step-by-step explanation:.
15.6
Step-by-step explanation:
So 10⁻¹ = 0.1 and 10¹=10
Once you have that it is simpler:
5.2 * 0.1 = 0.52
3.0 * 10 = 30
0.52 * 30 = 15.6
452 square inches
......
90 degrees