Basically all you need to do is estimate what 32.7 x 2.8 is. If what you get is close to 91.56, then Tom's answer is reasonable. If what you get is not close to 91.56, then his answer is not reasonable. Do you know how to estimate by rounding?
-15+7=-8
Adding numbers with different signs makes it subtraction and the answer will have the sign of the bigger number
Answer:
aerts is older by 1 year
Step-by-step explanation:
Answer:
As an exponential equation, it is 
Step-by-step explanation:
Logarithm of base e:
means that 
In this question:
We are given:

Which means that the exponential equivalent is given by:

15+24= put it in the calculator u will find the answer(hope this helped)