# scientific notation am i doing it right?

posted by on .

write in scientific notation

1) 400,000 = 4x10^5

2) 5412= 5.412x10^3

3) 0.00056= 5.6x10^-4

4) 0.0000814= 8.14x10^-5

• scientific notation am i doing it right? - ,

All correct, well done!

• scientific notation am i doing it right? - ,

YES!! thank you

• scientific notation am i doing it right? - ,

1) 8x10^4

= 80000.

2) 9.82x10^5

= 98,200,000.

3) 9x10^-3

= 0.0009

4) 7.24x10^-6

= 0.00000724

• scientific notation am i doing it right? - ,

#1 is correct.

The power of 10 refers to the number of positions the decimal point has to be moved, not the number of zeroes.
So for #2, it should be
9.82000*100000=982000
Similarly, for #3,
9x10^3=9/1000=0.009
I will leave #4 for you to try.

• scientific notation am i doing it right? - ,

.00000724

• scientific notation am i doing it right? - ,

ur right

• scientific notation am i doing it right? - ,

YES! thank you

• scientific notation am i doing it right? - ,

Merci!

• scientific notation am i doing it right? - ,

wat

• scientific notation am i doing it right? - ,

Sorry, finger faster than the brain, forgot to change since last post.

• scientific notation am i doing it right? - ,

change what

• scientific notation am i doing it right? - ,

signature.

• simplifying - ,

(3b)^3