Best Answer

0.000045 = 4.5 x 10^-5 or 4.5E-5

Q: What correctly expresses 0.000045 in scientific notation?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

To write 0000045 in scientific notation, you need to move the decimal point to the right until there is a nonzero digit to its left. In this case, it would be 4.5. Since you moved the decimal point five places to the right, the exponent will be -5. Therefore, 0000045 in scientific notation is 4.5 x 10^(-5).

4.5 x 10 -5 =======

Related questions

To write 0000045 in scientific notation, you need to move the decimal point to the right until there is a nonzero digit to its left. In this case, it would be 4.5. Since you moved the decimal point five places to the right, the exponent will be -5. Therefore, 0000045 in scientific notation is 4.5 x 10^(-5).

4.5 x 10 -5 =======

1x10^-6 = .000001 4.5x10^-6 = .0000045