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Decimals and Fractions Practice Test 2
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© examsnet.com
Question : 13
Total: 40
Simplify :
(
2.3
)
3
−
0.027
(
2.3
)
2
+
0.69
+
0.09
3.4
2
1.6
0
Validate
Solution:
(
2.3
)
3
−
0.027
(
2.3
)
2
+
0.69
+
0.09
=
(
2.3
)
3
−
(
0.3
)
3
(
2.3
)
2
+
2.3
×
0.3
+
(
0.3
)
2
=
(
2.3
−
0.3
)
[
(
2.3
)
2
+
2.3
×
0.3
+
(
0.3
)
2
]
[
(
2.3
)
2
+
2.3
×
0.3
+
(
0.3
)
2
]
=
2.3
−
0.3
=
2
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