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# Simplifying Exponent Expressions (Grade 9)

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## Simplifying Exponent Expressions

1.
Simplify. $(x^4)^5$
1. $x^-1$
2. $x^9$
3. $x^10$
4. $x^20$
2.
Simplify. $(x^5)^6$
1. $x^-1$
2. $x^11$
3. $x^15$
4. $x^30$
3.
Simplify $(2r)^2$.
1. $2^2 + r^2$
2. $4r$
3. $4r^2$
4. $16$
4.
Simplify.
$(-3x^3)^3$
1. $-9x^6$
2. $-27x^9$
3. $27x^9$
4. $-27x^6$
5.
Simplify the expression $b^4*b^2$.
1. $b^16$
2. $b^6$
3. $b^2$
4. $b^8$
6.
Simplify. $(2x)^4/(2x^4)$
1. $8, \ x!=0$
2. $4$
3. $2, \ x!=0$
4. $1$
7.
Simplify. $( 5x^3 y ^2) ^0$
1. $5x^3y^2$
2. 1
3. 0
4. 5
8.
$(3x^2y^3)^3$
1. $27x^6y^9$
2. $27x^5y^6$
3. $9x^6y^4$
4. $9x^5y^6$
9.
Simplify. $(a - 1)/[(a)^2-1]$
1. $1/a, \ a!=0$
2. $1/(a - 1), \ a!= -1$
3. $1/(1- a), \ a!=1$
4. $1/(a + 1), \ a!=1$
10.
Simplify. $(c^5)^2$

11.
Simplify.
$(n-5)/(n^2-25)$

12.
Simplify. $(sqrt11)^2$

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