Question

What is 19.2×108 minutes in hours? 1.152×1011 ​h​ 1.152×107 ​h 3.200×109 ​h​ 3.200×107 ​h​

Answer 1

Here are the correct answers:
1.) 19x108=35.6 hrs 
2.)1.152x1011=1164.67 hrs
3.)1.152x107=123.26hrs
4.)3.200x109=348.8 hrs
5.)3.200x107=342.4hrs