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# Common Core Standard 8.EE.A.3 Questions

Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other. For example, estimate the population of the United States as 3 times 108 and the population of the world as 7 times 109, and determine that the world population is more than 20 times larger.

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Which of the following is least?
1. $5xx10^-2$
2. $5xx10^-1$
3. $5xx10^1$
4. $5xx10^2$
1,284,320 written in scientific notation is
1. $1.28 xx 10^5$
2. $1.28 xx 10^6$
3. $1.28 xx 10^-6$
4. $1.28 xx 10^-5$
Choose the correct scientific notation for 540 000 000
1. $5.4xx10^8$
2. $5.4xx10^-7$
3. $5.4xx10^7$
4. $5.4xx10^9$
Which of the following is a correct notation for 0.000078?
1. $7.8xx10^-6$
2. $7.8xx10^-5$
3. $7.8xx10^-7$
4. $7.8xx10^-4$
Choose the correct notation for 700,000.
1. $7xx10^5$
2. $7xx10^8$
3. $7xx10^3$
4. $7xx10^4$
Choose the correct scientific notation for 245,389,271.
1. $2.45xx10^-8$
2. $2.45xx10^-7$
3. $2.45xx10^7$
4. $2.45xx10^8$
Which of the following is a correct notation for 0.0000000091?
1. $9.1xx10^-10$
2. $9.1xx10^-9$
3. $9.1xx10^-8$
4. $9.1xx10^-11$
Choose the correct match for 2,700,000,000.
1. $2.7xx10^7$
2. $2.7xx10^8$
3. $2.7xx10^9$
4. $2.7xx10^10$
Choose the correct notation for 64,000,000.
1. $6.4xx10^5$
2. $6.4xx10^6$
3. $6.4xx10^7$
4. $6.4xx10^8$
5,438,623,891 written in scientific notation is
1. $5.44 xx 10^9$
2. $5.43 xx 10^9$
3. $8.91 xx 10^2$
4. $4.38 xx 10^8$
Which of the following is a correct notation for 0.0000005?
1. $5xx10^-6$
2. $5xx10^6$
3. $5xx10^-7$
4. $5xx10^7$
Which of the following is a correct notation for 0.0000032?
1. $3.2xx10^-6$
2. $3.2xx10^-5$
3. $3.2xx10^-7$
4. $3.2xx10^-4$
Which of the following is a correct notation for 58 000?
1. $5.8xx10^4$
2. $5.8xx10^3$
3. $5.8xx10^2$
4. $5.8xx10^5$
Which of the following is a true statement?
1. $7xx10^5>6xx10^8$
2. $7xx10^8<4xx10^7$
3. $5xx10^3<3xx10^9$
4. $5xx10^3>5xx10^5$
Choose the correct scientific notation for 75,000,000,000.
1. $7.5xx10^7$
2. $7.5xx10^8$
3. $7.5xx10^9$
4. $7.5xx10^10$
Which of the following is a true statement?
1. $7xx10^5>6xx10^8$
2. $7xx10^8>4xx10^7$
3. $5xx10^3>3xx10^9$
4. $5xx10^3>5xx10^5$
Choose the correct match for 86,000,000,000.
1. $8.6xx10^7$
2. $8.6xx10^8$
3. $8.6xx10^9$
4. $8.6xx10^10$
Which of the following is greatest?
1. $9xx10^2$
2. $9xx10^4$
3. $9xx10^1$
4. $9xx10^3$
1. $9.6xx10^7$
2. $9.6xx10^8$
3. $9.6xx10^9$
4. $9.6xx10^10$
1. $3xx10^12$
2. $3xx10^-12$
3. $6xx10^-12$
4. $6xx10^12$