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You can create printable tests and worksheets from these Grade 8 Arithmetic and Number Concepts 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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If $m/p =2/3$, what can you conclude?
1. $3m=2p$
2. $2m=3p$
3. $mp=6$
4. $m+p=5$
Grade 8 Scientific Notation CCSS: 8.EE.A.3
Which of the following is least?
1. $5xx10^-2$
2. $5xx10^-1$
3. $5xx10^1$
4. $5xx10^2$
The wavelength of light is 0.000065 meters. What is this value in scientific notation?
1. $6.5xx10^-4$
2. $0.65xx10^-6$
3. $6.5xx10^-3$
4. $6.5xx10^-5$
Express the following number using proper scientific notation: $3910.28 xx 10^4$
1. $3.91028 xx10^6$
2. $3.91028 xx10^8$
3. $3.91028 xx10^7$
4. $39.1028xx10^5$
Grade 8 Scientific Notation CCSS: 8.EE.A.4
$(6.1 xx 10 ^5) (4 xx 10 ^-9)$ 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. $2.44 xx 10 ^14$
The number 0.00003007 expressed in scientific notation is
1. $3.007 xx 10^5$
2. $3.7 xx 10^-5$
3. $3.007 xx 10^-5$
4. $3.007 xx 10^-4$
How do you express 1,870,000 in scientific notation?
1. $5.49 x 10^-8$
2. $1.87 x 10^-6$
3. $1.87 x 10^6$
4. $187 x 10^6$
Grade 8 Scientific Notation CCSS: 8.EE.A.3
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. $1.28 xx 10^-5$
Grade 8 Scientific Notation CCSS: 8.EE.A.4
$(6.9 xx 10^8)/(3 xx 10^5)$

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. $2.3 xx 10^4$
In the year 2000, Los Angeles, CA had a population of about 3,700,000 people. What is this number in scientific notation?
1. 3.7 x $10^-6$
2. 3.7 x $10^-5$
3. 3.7 x $10^5$
4. 3.7 x $10^6$
Grade 8 Scientific Notation CCSS: 8.EE.A.4
$(2.6xx10^3)xx(1.8xx10^9)$
1. $4.68xx10^3$
2. $4.68xx10^12$
3. $4.68xx10^6$
4. $4.68xx10^9$
Grade 8 Scientific Notation CCSS: 8.EE.A.4
$(8.6xx10^13)/(4.1xx10^3)$
1. $2.1xx10^-16$
2. $2.9xx10^10$
3. $2.09xx10^16$
4. $2.1xx10^10$
Grade 8 Scientific Notation CCSS: 8.EE.A.3
Choose the correct scientific notation for 245,389,271.
1. $2.45xx10^-8$
2. $2.45xx10^-7$
3. $2.45xx10^7$
4. $2.45xx10^8$
Grade 8 Scientific Notation CCSS: 8.EE.A.3
Choose the correct notation for 700,000.
1. $7xx10^5$
2. $7xx10^8$
3. $7xx10^3$
4. $7xx10^4$
Grade 8 Scientific Notation CCSS: 8.EE.A.3
Choose the correct scientific notation for 540,000,000.
1. $5.4xx10^8$
2. $5.4xx10^-7$
3. $5.4xx10^7$
4. $5.4xx10^9$
Grade 8 Scientific Notation CCSS: 8.EE.A.3
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. $4.38 xx 10^8$
Grade 8 Scientific Notation CCSS: 8.EE.A.3
Which of the following is a correct notation for 0.000078?
1. $7.8xx10^-6$
2. $7.8xx10^-5$
3. $7.8xx10^-7$
4. $7.8xx10^-4$
Grade 8 Scientific Notation CCSS: 8.EE.A.4
$(2.76xx10^-3)xx(1.93xx10^5)$
1. $5.3xx10^2$
2. $5.3xx10^-2$
3. $5.3xx10^3$
4. $5.3xx10^-3$
1. $7.5xx10^7$
2. $7.5xx10^8$
3. $7.5xx10^9$
4. $7.5xx10^10$