Help EASY math question

If the number is written in scientific notation write it in standard from, If it is written in standard form write in scientific notation
HELP I DON'T UNDERSTAND THESE
378.4
465,000,000
1.67 x 10 -(exponent of 4)
9.0001 X 10 *exponent of 2*
THANK YOU

scientific notation is a number multiplied by exponential power of 10

3.784 x 10^2 because 10^2 equals 10 x 10 equals 100, so 3.784 x 100 = 378.4

4.65 x 10^8 because 10^8 equals 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 equals 100,000,000, so 4.65 x 100,000,000 = 465,000,000

10^-4 equals .0001, so 1.67 x .0001 equals .000167

9.0001 x 10^2 equals 9.0001 x 100 equals 900.01

the exponential power of 10 tells you how many places to move the decimal point, to the right for a positive exponent and to the left for a negative exponent

answers in the order you typed them out.

3.784x10^2

4.65x10^8

.000167 or 16,700 (i cant tell if what you typed is a negative exponent or positive.)

.090001

for the negative exponent, the decimal moves that many spaces to the 'right'

for the positive exponent, the decimal moves that many spaces to the 'left'

3.784 x 10^2
4.65 x 10^8
.000167
900.01