- Estimate how many times larger (1.9) x 10^-8 is than (4.2) × 10^-13

1.9×10-8 is about 50,000 times larger than 4.2×10-13 because 1.9×10-84.2×10-13≈2×10-84×10-13=0.5×105=5×104.

Step-by-step explanation:

395.84

step-by-step explanation:

2πrh+2πr²

2 (pie)(radius)(height)+2(pie)(radius)^2