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class11-Significant figure and rounding off
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1.The sum of the numbers 436.32, 227.2 and 0.301 in appropriate significant figures is
1 point
(a) 663.821
(b) 664
(c) 663.8
(d) 663.82
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2.For 18.4cm ,0.184m, 0.000184km observations
1 point
a) 18.4cm has minimum significant digits
b) 18.4cm and 0.184m has same significant fig.
c) All has same significant fig
d) 0.000184km has 6 significant fig.
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3.Choose false statement.
1 point
trailing Zeroes in a number without decimal point with decimal point are significant.
b) Trailing Zeroes with decimal point are significant.
c) 200 has 3 significant digits
d) 64800.Has 5 significant digits.
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4.Find the value of 109.832 x 0.6107
1 point
a) 67.0744
b) 67.1
c) 67.07
d) 67.074402
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5.Find the value of (14.28)/(0.714)
1 point
a) 20
b) 20.00
c) 20.33
d)20.0
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6.If L = 2.331cm B=2.1cm then L+B=
1 point
a) 4.431cm
b)4.43cm
c)44cm
d)4cm
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7.
1 point
a
b
c
d
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8.
1 point
a
b
c
d
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9.
1 point
a
b
c
d
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10.
1 point
a
b
c
d
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