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This printable supports Common Core Mathematics Standard 8.EE.A.1

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# Evaluating Expressions & Equations with Exponents (Grade 8)

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## Evaluating Expressions & Equations with Exponents

1.
Evaluate. $6^2xx6^-4$
1. 0.022
2. 0.028
3. 0.020
4. 0.029

2.
Evaluate. $4^-3xx4^2$
1. 0.25
2. 0.025
3. 0.156
4. 0.125
3.
Evaluate. $3^2xx3^4$
1. 729
2. 279
3. 972
4. 792

4.
$5^-2 xx 5^5$ is equivalent to which of the following?
1. $78,125$
2. $.008$
3. $125$
4. $51,278$
5.
$2^-2 / 2^-5$ is equivalent to which of the following?
1. $2$
2. $1/2$
3. $8$
4. $1/8$

6.
Evaluate. $2^5xx2^3$
1. 265
2. 0.25
3. 256
4. 652
7.
Evaluate. $5^3xx5^-6$
1. 0.08
2. 0.008
3. 0.04
4. 125

8.
Evaluate. $6^2xx6^4$
1. 45,656
2. 46,666
3. 46,656
4. 65,456
9.
Evaluate. $4^3xx4^2$
1. 2,410
2. 1,240
3. 1,024
4. 1,224

10.
Evaluate. $2^5xx2^-3$
1. 4
2. 8
3. -4
4. -8
11.
Evaluate. $5^3xx5^6$
1. 1,953,215
2. 1,915,352
3. 1,935,125
4. 1,953,125

12.
Evaluate. $3^-2xx3^4$
1. 9
2. 0.111
3. -9
4. -0.111
13.
$4^3/12^-2$
1. $-4/9$
2. 2304
3. 9216
4. $9/4$

14.
$4^3-3^2$
1. $1/55$
2. 55
3. 576
4. 73
15.
$6^3/3^-2$
1. 24
2. 1944
3. $1/24$
4. 225

16.
$3^5/2^3-2^2$
1. $234/4$
2. $211/8$
3. $243/4$
4. 1940
17.
$6^4/3^2$
1. $(1/144)^-1$
2. 144
3. 1/144
4. Both A and B

18.
$-5^3+2^3$
1. -133
2. $-999/8$
3. 133
4. -117
19.
$4^2/2^5$
1. $-1/512$
2. 400
3. 0.5
4. None of the above

20.
$6^3xx3^-2$
1. 24
2. 1944
3. $1/24$
4. 225
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