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Rational# & powers Flashcards | StudBud

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Rational# & powers

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Turning decimals into fractions and fractions into decimals. The majority is simplifying expressions by using the law of exponents.

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Questions 21

Answers

1
Simplify by using the law of exponents.
9g^4
14g^4
9g^8
14g^8
2
Write as a decimal.
8.125
2.125
-2.18
3
Write as a fraction or mixed fraction. Simplify.
32/1000
32/100
8/25
8/20
4
C= -4 ,d= 9
145
-145
-93
17
5
Write as a fraction or mixed fraction. Simplify.
5 (5/100)
5 (11/20)
555/1000
6
Simplify by using the law of exponents.
6a^4
-6a^5
5a^4
-5a^5
7
Simplify by using the law of exponents.
h^-1
h^1
h^13
8
Simplify using the law of exponents.
16^2
16^8
4^2
4^8
9
Simplify using the law of exponents.
Y^13
Y^15
Y^4
Y^3
10
Write as a decimal.
2.5
.04
.25
0.4
11
Simplify by using the law of exponents.
6d^5
6d^15
12
Simplify by using the law of exponents.
3k^3
3k^15
4k^3
4k^15
13
Evaluate.
1/81
1/34
1/18
1/12
14
C=8 , d= -3
-11
37
-37
11
15
Evaluate.
-16
-8
256
-256
16
Write as a fraction or mixed fraction. Simplify.
-14/100
-(7/50)
14/100
7/50
17
Write an expression using exponents.
5/6 ^3
(5/6)^3
(-5/6)^3
-(5/6)^3
18
Simplify by using the law of exponents.
-9p^2
9p2
-9p^3
9p^3
19
Simplify by using the law of exponents.
-36
-72
72
36
20
Write an expression using exponents.
(3^2)(5^1)(q^3)
(3^2)(5^0)(q^2)
(9)(5)(q^3)
21
Simplify by using the law of exponents.
-250
250
1750
55