Answer:
I believe A is the answer
Answer:
677
Step-by-step explanation:
238 + 439 = 677
It is t possible to round it form the ones (dollar) place.
Answer:
Step-by-step explanation:
1st year- 7*3=21
2nd year- 21*3=63
There will be 2 bacterias after 20 minutes
Answer:
4.5
Step-by-step explanation:
7 1/2 X 6 = 45.
Then you just add the decimal point to get 4.5.