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# Scientific Notation Questions - All Grades

You can create printable tests and worksheets from these Scientific Notation questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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$(6.1 xx 10 ^5) (4 xx 10 ^-9)$ Perform the indicated computation, write your answer in scientific notation.
1. $2.44$
2. $2.44 xx 10 ^ 3$
3. $2.44 xx 10 ^ -3$
4. $2.44 xx 10 ^14$
$(6.9 xx 10^8)/(3 xx 10^5)$

Perform the indicated computations. Write the answers in scientific notation.
1. $2.3 xx 10 ^3$
2. $2.3 xx 10^13$
3. $2.3 xx 10^-3$
4. $2.3 xx 10^4$
What is 0.000062 in scientific notation?
1. $6.2 xx 10^5$
2. $6.2 xx 10^-4$
3. $6.2 xx 10^-5$
4. $6.2 xx 10^4$
Which of the following numbers is not written in scientific notation?
1. $8.6 xx 10^4$
2. $2.12 xx 10$
3. $22.1 xx 10^(-5)$
4. $9.9132 xx 10^(-1)$
Convert to scientific notation.

731,000
1. $7.31xx10^5$
2. $7.31xx10^6$
3. $7.31xx10^2$
4. None of the above
Convert to scientific notation.

0.00018
1. $1.8xx10^-5$
2. $1.8xx10^-4$
3. $1.8xx10^-9$
4. None of the above
Convert 0.00088 to scientific notation.
1. $88 * 10^(-5)$
2. $.88 * 10^(-3)$
3. $8.8 * 10^(-4)$
4. $8.8 * 10^4$
Convert to scientific notation.

0.00018
1. $1.8xx10^-5$
2. $1.8xx10^-9$
3. $1.8xx10^-4$
4. None of the above
By some estimates, the population of the world in the year 2025 will be 7,824,000,000. What is the number written in scientific notation?
1. $78.24 xx 10^8$
2. $7.842 xx 10^9$
3. $7.824 xx 10^8$
4. $7.824 xx 10^9$
Convert the number to scientific notation.

137,000,000
1. $1.37xx10^8$
2. $1.37xx10^3$
3. $1.37xx10^10$
4. None of the Above
Write in scientific notation.

42,300
1. fourty two thousand three hundred
2. $4.23 xx10^4$
3. .00423
4. 40,000 + 2,000 + 300
1. $1.36 xx 10^2$ m
2. $1.36 xx 10^9$ m
3. $1.36 xx 10^-9$ m
4. $1.36 xx 10^14$ m