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E M B I B E
Step by Step
>
Chapter 2 - Exponents
>
EXERCISE 2.2
>
Q 8
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MEDIUM
8th CBSE
IMPORTANT
Earn 100
Simplify:
15
x
5
y
-
2
z
4
5
x
3
y
-
3
z
2
Important Questions on Exponents
MEDIUM
8th CBSE
IMPORTANT
Step by Step
>
Chapter 2 - Exponents
>
EXERCISE 2.2
>
Q 8
Simplify:
42
x
3
y
2
z
4
6
x
y
2
z
3
MEDIUM
8th CBSE
IMPORTANT
Step by Step
>
Chapter 2 - Exponents
>
EXERCISE 2.2
>
Q 8
Simplify:
3
x
-
2
y
-
3
z
9
x
-
2
y
-
4
MEDIUM
8th CBSE
IMPORTANT
Step by Step
>
Chapter 2 - Exponents
>
EXERCISE 2.2
>
Q 8
Simplify:
42
x
3
y
2
z
4
16
x
2
y
3
z
8
MEDIUM
8th CBSE
IMPORTANT
Step by Step
>
Chapter 2 - Exponents
>
EXERCISE 2.2
>
Q 9
Find the value of
'
p
'
, if
-
2
p
+
1
.
-
2
p
=
-
8
HARD
8th CBSE
IMPORTANT
Step by Step
>
Chapter 2 - Exponents
>
EXERCISE 2.2
>
Q 10
If
m
n
=
3
4
5
÷
3
4
3
, find
n
m
-
2
.
MEDIUM
8th CBSE
IMPORTANT
Step by Step
>
Chapter 2 - Exponents
>
EXERCISE 2.2
>
Q 11
Simplify:
-
4
-
2
×
-
3
2
-
2
MEDIUM
8th CBSE
IMPORTANT
Step by Step
>
Chapter 2 - Exponents
>
EXERCISE 2.2
>
Q 11
Find 'k':
2
-
3
×
5
-
3
×
10
2
×
25
5
4
×
2
-
5
=
k
125
MEDIUM
8th CBSE
IMPORTANT
Step by Step
>
Chapter 2 - Exponents
>
EXERCISE 2.3
>
Q 1
Simplify
1
2
3
2
and write the answer in the form of
p
q
.