Select all of the numbers that are correctly written in scientific notation.

A. 42 x 10^5

B. 1.1 x 10^4

C. 7.0 x 20^4

D. 6.01 x 10^-4

E. 18.0 x 10^3

Can you guys help me I’m stuck I have all of them just need one helpppp!!!!!!

6 answers

A. 42 x 10^5 is 4.2*10^6

B. 1.1 x 10^4 ok

C. 20^4 is not simply 10^ something

D. 6.01 x 10^-4 ok

E. 18.0 x 10^3 oh my, again 1.80 * 10^4
So b and d?
yeah its b & d
for the scientific notation online practice for 8th graders:
1. 71,000 (c)
2. 0.00501 (d)
3. 1.1 * 10^4 and 6.01 * 10^-4 (b & d)
4. 6.0 * 10^7 (a)
5. 9.0 * 10^6 (c)
UWO is right thanks so much
:D np man
but can you explain why please?