Question

which is not in scientific notation?

A. 0.98 x 10 to the eighth power
B. 1.1 x 10 to the fifth power
C. 7.00 x 10 to the eighth power
D. 9.9 x 10 to the negative twenty eighth power

SOMEONE HELP ASAP! thank you.

Answer 1

Its A 
because of the 0.98

the first number should be between 1 and 10