Can u help with this hm? Its due in 30 mins ps. In think 10 pts givin away

Answer:
4. 2.91 times 10 to the -11th power
5. since 9=3^2 we can write 9^6=(3^2)^6
use the rule (a^m)^n=a^mn 9^6=3^2 time 6
9^6=3^12
answer= 3 to the 12th power
6. you would multiply 4 time 4 times 3 to get -48
Step-by-step explanation: