Math
Q1.Write each of the following as decimals:
(a) 5 / 10
(b) 3 + 7 / 10
(c) 200 + 60 + 5 + 1 / 10
(d) 70 + 8 / 10
(e) 88 / 10
Q2.Write the following decimals as fractions. Reduce the fraction to lowest form.
(a) 0.6
(b) 2.5
(c) 1.0
(d) 3.8
(e) 13.7
(f) 21.2
(g) 6.4
Answers
Answered by
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Q1.
(a) 0.5
(b)3.7
(c)265.1
(d)70.8
(e)8.8
Q2.
(a)3/5
(b)5/2
(c)1/1 or 1
(d)19/5
(e)137/10
(f)106/5
(g)32/5
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Answered by
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a) 5/10
= 1/2
= 0.5
b) 3 + 7/10
= 3/1 + 7/10
= 3*10/1*10 + 7*1/10*1
= 30/10 + 7/10
= 37/10
= 3.7
c) (200 + 60 + 5) + 1/10
= 265 + 1/10
= 265*10/10 + 1/10
=2650/10 + 1/10
= 2650+1/10
= 2651/10
= 265.1
d) 70 + 8/10
= 70/1 + 8/10
= 70*10/1*10 + 8*1/10*1
= 700/10 + 8/10
= 708/10
= 70.8
e) 88/10
= 8.8
Q2
a) 0.6
= 6/10
=3/5
b) 2.5
= 25/10
= 5/2
c) 1.0
= 10/10
= 1
d) 3.8
= 38/10
=19/5
e) 13.7
= 137/10
f) 21.2
= 212/10
= 106/5
g) 6.4
= 64/10
= 32/5
= 1/2
= 0.5
b) 3 + 7/10
= 3/1 + 7/10
= 3*10/1*10 + 7*1/10*1
= 30/10 + 7/10
= 37/10
= 3.7
c) (200 + 60 + 5) + 1/10
= 265 + 1/10
= 265*10/10 + 1/10
=2650/10 + 1/10
= 2650+1/10
= 2651/10
= 265.1
d) 70 + 8/10
= 70/1 + 8/10
= 70*10/1*10 + 8*1/10*1
= 700/10 + 8/10
= 708/10
= 70.8
e) 88/10
= 8.8
Q2
a) 0.6
= 6/10
=3/5
b) 2.5
= 25/10
= 5/2
c) 1.0
= 10/10
= 1
d) 3.8
= 38/10
=19/5
e) 13.7
= 137/10
f) 21.2
= 212/10
= 106/5
g) 6.4
= 64/10
= 32/5
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