Question

Which of the following expressions is written in scientific notation?
a.) 73.4 x 10^5
b.) 0.09 x 10^7
c.) 80 x 10^3
d.) 4.22 x 10^-3
Thanks!(:

Answer 1

scientific notation is in the basic form

b x 10^n

where b is some number between -10 and 10 (not including -10 and not including +10)

and n is some integer

Answer 2

Ok... So its D?

Answer 3

you got it

Answer 4

Thanks dude(:

Answer 5

yw