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You can create printable tests and worksheets from these Grade 7 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.

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. $6.2 xx 10^4$
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
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
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