Step-by-step explanation:
i hope this will help you
The answer is 2.45 x 10^5.
7 x 3.5 = 24.5
Move the decimal place over to the left until you have a number between 1 and 9 before the decimal point.
Add the number of times you moved the decimal point to the exponent (The 4 in the original equation).
2.45 x 10^5.
I hope this helps!
A=3 and B=1. comment if you would like me to explain how I did it.