Question

I need Help PLEASE, I have a TEST tomorrow and I don't know how to do this!! Please Help Me! :,(

Answer 1

Just remember to do PEMDAS
P,parentheses do what's in them first
E, exponent do what's in them 2nd. for M & D you just do multiply or divide whatever one comes 1st
for A & S then add and subtract you don't have
to do add at first it's just what come first.
hoped that helped

Answer 2

3.5×10^8 is the answer