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This printable supports Common Core Mathematics Standard 8.EE.A.3

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# Writing Numbers in Scientific Notation (Grade 8)

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## Writing Numbers in Scientific Notation

1.
What is 1,284,320 written in scientific notation?
1. $1.28 xx 10^5$
2. $1.28 xx 10^6$
3. $1.28 xx 10^-6$
4. $1.28 xx 10^-5$

2.
Choose the correct scientific notation for 540,000,000.
1. $5.4xx10^8$
2. $5.4xx10^-7$
3. $5.4xx10^7$
4. $5.4xx10^9$
3.
Choose the correct match for 2,700,000,000.
1. $2.7xx10^7$
2. $2.7xx10^8$
3. $2.7xx10^9$
4. $2.7xx10^10$

4.
Which of the following is a correct notation for 0.000078?
1. $7.8xx10^-6$
2. $7.8xx10^-5$
3. $7.8xx10^-7$
4. $7.8xx10^-4$
5.
Choose the correct notation for 700,000.
1. $7xx10^5$
2. $7xx10^8$
3. $7xx10^3$
4. $7xx10^4$

6.
Choose the correct notation for 64,000,000.
1. $6.4xx10^5$
2. $6.4xx10^6$
3. $6.4xx10^7$
4. $6.4xx10^8$
7.
What is 5,438,623,891 written in scientific notation?
1. $5.44 xx 10^9$
2. $5.43 xx 10^9$
3. $8.91 xx 10^2$
4. $4.38 xx 10^8$

8.
Choose the correct scientific notation for 75,000,000,000.
1. $7.5xx10^7$
2. $7.5xx10^8$
3. $7.5xx10^9$
4. $7.5xx10^10$
9.
Which of the following is a correct notation for 0.0000000091?
1. $9.1xx10^-10$
2. $9.1xx10^-9$
3. $9.1xx10^-8$
4. $9.1xx10^-11$

10.
Which of the following is a correct notation for 58,000?
1. $5.8xx10^4$
2. $5.8xx10^3$
3. $5.8xx10^2$
4. $5.8xx10^5$
11.
Which of the following is a correct notation for 0.0000005?
1. $5xx10^-6$
2. $5xx10^6$
3. $5xx10^-7$
4. $5xx10^7$

12.
Choose the correct scientific notation for 57,000,000.
1. $5.7xx10^7$
2. $5.7xx10^6$
3. $5.7xx10^5$
4. $5.7xx10^4$
13.
Choose the correct match for 550,000,000.
1. $5.5xx10^7$
2. $5.5xx10^8$
3. $5.5xx10^9$
4. $5.5xx10^10$

14.
Choose the correct match for 8,300,000.
1. $8.3xx10^7$
2. $8.3xx10^6$
3. $8.3xx10^5$
4. $8.3xx10^4$
15.
Choose the correct match for 45,372,853.
1. $4.5xx10^7$
2. $4.5xx10^6$
3. $4.5xx10^5$
4. $4.5xx10^4$

16.
Choose the correct scientific notation for 245,389,271.
1. $2.45xx10^-8$
2. $2.45xx10^-7$
3. $2.45xx10^7$
4. $2.45xx10^8$
17.
Choose the correct match for 270,000,000.
1. $2.7xx10^7$
2. $2.7xx10^8$
3. $2.7xx10^9$
4. $2.7xx10^10$

18.
Choose the correct match for 96,000,000.
1. $9.6xx10^7$
2. $9.6xx10^8$
3. $9.6xx10^9$
4. $9.6xx10^10$
19.
Choose the correct match for 4,500,000.
1. $4.5xx10^7$
2. $4.5xx10^6$
3. $4.5xx10^5$
4. $4.5xx10^4$

20.
Choose the correct match for 5,700,000.
1. $5.7xx10^7$
2. $5.7xx10^6$
3. $5.7xx10^5$
4. $5.7xx10^4$
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