##### Notes

This printable reviews the Common Core Mathematics Standards for Grade 8 Expressions and Equations Work with radicals and integer exponents: 8.EE.A.1, 8.EE.A.2, 8.EE.A.3, 8.EE.A.4.

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1.
$(8.6xx10^13)/(4.1xx10^3)$
1. $2.1xx10^-16$
2. $2.9xx10^10$
3. $2.09xx10^16$
4. $2.1xx10^10$

2.

$sqrt(20)$ is between which two numbers?
1. 2 and 3
2. 3 and 4
3. 4 and 5
4. 5 and 6
3.
Choose the correct scientific notation for 540,000,000.
1. $5.4xx10^8$
2. $5.4xx10^-7$
3. $5.4xx10^7$
4. $5.4xx10^9$

4.
$(2.76xx10^3)xx(1.93xx10^5)$
1. $5.3xx10^2$
2. $5.3xx10^5$
3. $5.3xx10^3$
4. $5.3xx10^8$
5.
Which of the following is a correct notation for 0.000078?
1. $7.8xx10^-6$
2. $7.8xx10^-5$
3. $7.8xx10^-7$
4. $7.8xx10^-4$

6.

$sqrt(106)$ is between which two numbers?
1. 10 and 11
2. 9 and 10
3. 11 and 12
4. 8 and 9
7.
$sqrt(81)$
1. 8
2. 9
3. 31
4. 40.5

8.
$root(3) 8$
1. 2
2. 4
3. 8
4. 1
9.
Which of the following is NOT the same as $2^-3$?
1. $8$
2. $0.125$
3. $1/8$
4. $1/2^3$

10.
$4^3 xx 4^-4 =$
1. $4$
2. $1/4$
3. $1/4^7$
4. $1/4^12$
11.
Choose the correct scientific notation for 245,389,271.
1. $2.45xx10^-8$
2. $2.45xx10^-7$
3. $2.45xx10^7$
4. $2.45xx10^8$

12.
$6^3/3^-2$
1. 24
2. 1944
3. $1/24$
4. 225
13.
Which of the following is a correct notation for 0.0000005?
1. $5xx10^-6$
2. $5xx10^6$
3. $5xx10^-7$
4. $5xx10^7$

14.
Evaluate. $6^2xx6^-4$
1. 0.022
2. 0.028
3. 0.020
4. 0.029
15.
Which of the following is a true statement?
1. $7xx10^5>6xx10^8$
2. $7xx10^8<4xx10^7$
3. $5xx10^3<3xx10^9$
4. $5xx10^3>5xx10^5$

16.
$(1.7xx10^5)xx(2.3xx10^8)$
1. $3.91xx10^-3$
2. $3.19xx10^-3$
3. $3.91xx10^13$
4. $3.19xx10^13$
17.

$sqrt(72)/5$ is
1. between 1 and 1.40.
2. greater than 2.
3. between 1.41 and 2.
4. less than 1.

18.
$(2.6xx10^3)xx(1.8xx10^9)$
1. $4.68xx10^3$
2. $4.68xx10^12$
3. $4.68xx10^6$
4. $4.68xx10^9$
19.
$(2.3xx10^6)/(1.5xx10^3)$
1. $1.53xx10^3$
2. $1.53xx10^9$
3. $1.53xx10^6$
4. $1.53xx10^-3$

20.
$3^5/2^3-2^2$
1. $234/4$
2. $211/8$
3. $243/4$
4. 1940
21.
Which of the following is a true statement?
1. $7xx10^5>6xx10^8$
2. $7xx10^8>4xx10^7$
3. $5xx10^3>3xx10^9$
4. $5xx10^3>5xx10^5$

22.

$sqrt(27)/3$ is between which two numbers?
1. 3 and 4
2. 2 and 3
3. 1 and 2
4. 0 and 2
23.
$sqrt(196)$
1. 13
2. 11
3. 12
4. 14

24.
$root(3) 343$
1. 9
2. 8
3. 7
4. 6
25.
$2^-2 / 2^-5$ is equivalent to which of the following?
1. $2$
2. $1/2$
3. $8$
4. $1/8$
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