Question

Which of the following expressions is written in scientific notation?


a. 0.3 x 104
b. 2 x 10-5
c. 10 x 103
d. 12 x 10-3

Answer 1

i dont get the whole question

Answer 2

a requirement for scientific notation is that the whole number is between 1 and 9

for example

3 x 10^2

3 is between 1 and 9 therefore it is in scientific notation

got that?

Answer 3

yeah, so b is in between 1 to 9 so b is right ya?

Answer 4

yup

Answer 5

thankyou!!

Answer 6

you're welcome :D

Answer 7

btw a little correction between 1 and less than 10

so 9.9 x 10^n is still scientific notation

Answer 8

ok