PROBLEM
Simplify these expressions with positive indices:
1. (11−18)
2. (3w6)3
3. (22s5)3
4. (q5p)3
5. (n5−m3)5
6. (s3)−5×s7
7. u−4÷(u5)−2
8. d−2d3÷(d−5)2
9. (xy)−31
STEP 1
Assumptions1. All variables are non-zero.
. The expressions need to be simplified and expressed with positive indices.
STEP 2
Let's start with the first expression. We'll use the power of a power rule, which states that (am)n=amn.
\left( w^{6}\right)^{} =^ \cdot (w^6)^
STEP 3
Calculate the power of3 and apply the power of a power rule to w6.
(3w6)3=27⋅w6⋅3
STEP 4
implify the expression.
(3w6)3=27w18
STEP 5
Now, let's move to the second expression. Again, we'll use the power of a power rule.
(22s5)3=(22)3⋅(s5)3
STEP 6
Calculate the power of2 and apply the power of a power rule to s5.
(22s5)3=22⋅3⋅s5⋅3
STEP 7
implify the expression.
(22s5)3=64s15
STEP 8
For the third expression, we'll use the power of a fraction rule, which states that (ba)n=bnan.
(q5p)3=(q5)3p3
STEP 9
Apply the power of a power rule to q5.
(q5p)3=q5⋅3p3
STEP 10
implify the expression.
(q5p)3=q15p3
STEP 11
For the fourth expression, we'll again use the power of a fraction rule.
(n5−m3)5=(n5)5(−m3)5
STEP 12
Apply the power of a power rule to -m^ and n5.
(n5−m)5=n5⋅5−m⋅5
STEP 13
implify the expression.
(n5−m3)5=−n25m15
STEP 14
For the fifth expression, we'll use the rule that a−n=an.
\left(s^{3}\right)^{-} \times s^{7} = \frac{}{(s^3)^} \times s^7
STEP 15
Apply the power of a power rule to s3.
(s3)−5×s7=s3⋅5×s7
STEP 16
implify the expression.
\left(s^{3}\right)^{-5} \times s^{} = \frac{s^}{s^{15}}
STEP 17
Use the rule that anam=am−n.
(s3)−5×s7=s7−15
STEP 18
implify the expression.
(s3)−5×s7=s−8
STEP 19
For the sixth expression, we'll use the rule that a−n=an1 and anam=am−n.
u^{-4} \div\left(u^{5}\right)^{-} = \frac{1}{u^4} \div \frac{1}{(u^5)^}
STEP 20
Apply the power of a power rule to u5.
u−4÷(u5)−=u4÷u5⋅
STEP 21
implify the expression.
u−4÷(u5)−=u41÷u101
STEP 22
Use the rule that cba=a⋅c.
u−4÷(u5)−=u41⋅u10
STEP 23
Use the rule that anam=am−n.
u−÷(u5)−=u10−
STEP 24
implify the expression.
u−4÷(u)−=u6
STEP 25
For the seventh expression, we'll use the rule that a−n=an1 and anam=am−n.
\frac{d^{3} \div\left(d^{-5}\right)^{}}{d^{-}} = \frac{d^3 \div \frac{1}{(d^{-5})^}}{\frac{1}{d^}}
STEP 26
Apply the power of a power rule to d−5.
\frac{d^{3} \div\left(d^{-5}\right)^{}}{d^{-}} = \frac{d^3 \div \frac{1}{d^{-5 \cdot}}}{\frac{1}{d^}}
STEP 27
implify the expression.
\frac{d^{3} \div\left(d^{-5}\right)^{}}{d^{-}} = \frac{d^3 \div \frac{1}{d^{-10}}}{\frac{1}{d^}}
STEP 28
Use the rule that cba=a⋅c.
\frac{d^{3} \div\left(d^{-5}\right)^{}}{d^{-}} = d^3 \cdot d^{10} \cdot d^
STEP 29
Use the rule that am⋅an=am+n.
d−2d÷(d−5)2=d+10+2
STEP 30
implify the expression.
d−2d÷(d−5)2=d15
STEP 31
For the eighth expression, we'll use the rule that a−n=an1.
\frac{1}{(x y)^{-}} = \frac{1}{\frac{1}{(x y)^}}
STEP 32
Use the rule that cba=a⋅c.
\frac{1}{(x y)^{-}} =1 \cdot (x y)^
SOLUTION
implify the expression.
\frac{1}{(x y)^{-}} = (x y)^The simplified expressions are11. 27w18
12. 64s15
13. \frac{p^}{q^{15}}
14. −n25m15
15. s−8
16. u6
17. d15
18. (x y)^
Start understanding anything
Get started now for free.