Question

Which ones ARE in scientific notation?

a. 3.5X10^-2
b. 21.2X10^3
c. 1.4X10^5
d. 9.9432X10^-4

Answer 1

C

Explanation:

Cause C met the rules of scientific notation which is:

• (First digit of the number) followed by (the decimal point) and then (all the rest of digits of the number) times (10 to an appropriate power)