GACE Middle Grades Mathematics (4-8) (704) Practice Questions - GACE Middle Grades Mathematics (4-8) Assessment (Test Code 704) Exam

Express the number 0.000045 in scientific notation.

4.5 x 10^-5 4.5 x 10^-4 45 x 10^-6 4.5 x 10^5

Correct Answer:

4.5 x 10^-5

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