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Powers and Roots Practice Test 5
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© examsnet.com
Question : 13
Total: 31
Find the value of:
3
√
(
512
)
−
3
÷
(
729
)
−
2
81
512
80
512
78
500
69
512
169
512
Validate
Solution:
3
√
(
512
)
−
3
÷
(
729
)
−
2
=
3
√
(
512
)
−
3
(
729
)
−
2
=
3
√
(
729
)
2
(
512
)
3
=
3
√
(
9
3
)
2
(
8
3
)
3
=
9
2
8
3
=
81
512
© examsnet.com
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