Step-by-step explanation:

I hope it makes sense
:)
Answer:
-22
Step-by-step explanation:
1.Factor out the negative sign.
2.Calculate (add for question 18)
3. Add the negative sign back.
Hope this helps :)
The answer should be 9 rounded because 2 pi r 56.5 will give u that.
Answer:
B
Step-by-step explanation:
6.4 × 1000000 is 6,400,000
10⁶ = 1000000