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Byju's Answer
Standard VIII
Mathematics
Role of Zero and One
Question 124v...
Question
Question 124(v)
Name the property used in each of the following:
3
8
×
1
=
1
×
3
8
=
3
8
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Solution
The multiplicative identity property.
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Similar questions
Q.
Question 124(v)
Name the property used in each of the following:
3
8
×
1
=
1
×
3
8
=
3
8
Q.
The property under addition used in each of the following are
(i)
(
−
3
7
)
+
1
9
=
1
9
+
(
−
3
7
)
(ii)
4
9
+
(
7
8
+
1
2
)
=
(
4
9
+
7
8
)
+
1
2
(iii)
8
+
7
10
=
7
10
+
8
(iv)
(
−
7
15
)
+
0
=
−
7
15
=
0
+
(
−
7
15
)
(v)
2
5
+
(
−
2
5
)
=
0
(i) Commutative
(ii) Associative
(iii) Commutative
(iv) Additive identity
(v) Additive inverse.
Q.
Question 124(iii)
Name the property used in each of the following:
1
3
+
[
4
9
+
(
−
4
3
)
]
=
[
1
3
+
4
9
]
+
[
−
4
3
]
Q.
Question 124(ii)
Name the property used in each of the following:
−
2
3
×
[
3
4
+
−
1
2
]
=
[
−
2
3
×
3
4
]
+
[
−
2
3
×
−
1
2
]
Q.
Name the property under multiplication used in each of the following:
(i)
2
3
×
4
5
=
4
5
×
2
3
(ii)
(
−
3
4
)
×
1
=
−
3
4
=
1
×
(
−
3
4
)
(iii)
(
−
17
28
)
×
(
−
28
17
)
=
1
(iv)
1
5
×
(
7
8
×
4
3
)
=
(
1
5
×
7
8
)
×
4
3
(v)
2
7
×
(
9
10
+
2
5
)
=
2
7
×
9
10
+
2
7
×
2
5
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