Exponents And Powers Worksheets - Class 8, National Council Of Educational Research And Training Page 31
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36U N I T - 8
( )
−
2
−
2
2
4
3
−
(2)
3
4
4
2
3
⎛
⎞
⎛
⎞
⎛ ⎞
4
13
7
×
×
⎜
⎟
⎜
⎟
⎜ ⎟
(3)
⎝
⎠
⎝
⎠
⎝ ⎠
13
7
4
+
45
–60
28
–43
⎛ ⎞
⎛ ⎞
⎛ ⎞
⎛ ⎞
1
1
1
1
×
−
×
⎜ ⎟
⎜ ⎟
⎜ ⎟
⎜ ⎟
(4)
⎝ ⎠
⎝ ⎠
⎝ ⎠
⎝ ⎠
5
5
5
5
3
×
×
4
(9)
27
t
(5)
×
×
–2
4
2
(3)
(3)
t
( ) ( ) ( )
−
2
3
2
–2
×
2
×
–3
3
5
t
( ) ( ) ( )
(6)
−
5
2
3
×
×
–2
3
–4
3
5
t
(D)
(D)
(D) ACTIVITIES
ACTIVITIES
ACTIVITIES
ACTIVITIES
(D)
(D)
ACTIVITIES
Activity 1
To make ballot papers for the upcoming school elections, cut a sheet
of paper in half. Stack the two pieces and cut them in half again.
Stack the resulting four pieces and cut them in half again. Repeat
this process, creating smaller sized ballot papers.
Count the ballots and record the result in the table below.
Number of Cuts
Number of
Ballot papers
1
2
2
4
3
8
4
16
E E E E E
P P P P P
275
275
275
275
275
XPONENTS
XPONENTS
AND
AND
OWERS
OWERS
XPONENTS
XPONENTS
XPONENTS AND
AND
AND
OWERS
OWERS
OWERS
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