Answer:
A) .071
B).884
Step-by-step explanation:
A) 7.1 x 10/\-2
This is scientific notation, since this is to the -2 power all you have to do is move the decimal point 2 places to the left, thus making the number smaller -> 7.1->.71->.071
B) (6.8 x 10/\2) x (1.3 x 10/\-3)
Again, Scientific notation
6.8->68->680
1.3->.13->.013->.0013
then multiply
680 x .0013 = .884
