Answer:
i believ its b
Step-by-step explanation:
5/2 inches per month * t = 15/4 inches
<span>t = ( 15/4 ) / ( 5/2) </span>
<span>t = 1.5 months</span>
Answer:
Division is not commutative because 25÷5 does not equal 5÷25
Step-by-step explanation:
Answer:
7c+21
Step-by-step explanation:
multiply 7 by c and 7 times 3
7c and 21
7c+21
Answer:
4e18
Step-by-step explanation:
I reccomend using a calculator for problems like this if you have one available as it gets to be a huge number which can be hard to work out by hand! :D
Note: e18 means it'll have 18 zeros!