Iwill give 20 points

which of the following expressions is not correctly written in scientific notation?

a.1 × 10 4
b.9 × 10 2
c.10 × 10 7
d.5 × 10 3

The Answer is: C. 10 x 10^7

Step-by-step explanation:

The others are in Scientific Notation. The decimal is just to the right of the number and then 10 with an exponent defines the actual size of the number.

Hope this helps! Have an Awesome Day!! :-)

d

step-by-step explanation:

d

22 and 22

step-by-step explanation:

10 plus 12 equals 22.

12 plus 10 also equals 22 because regardless of what order they're in, they're gonna equal the same thing.