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Add
3
-
10
+
7
-
100
and select the correct answer.
A)
16
-
30
B)
37
-
100
C)
6
-
100
D)
7
-
100


Sagot :

[tex]\frac{3}{10}+\frac{7}{100}=\frac{3\times10}{10\times10}+\frac{7}{100}=\frac{30}{100}+\frac{7}{100}=\frac{30+7}{100}=\boxed{\frac{37}{100}}\leftarrow answer \boxed{B}\\\\other\ method:\\\\\frac{3}{10}=0.3\ and\ \frac{7}{100}=0.07\\\\therefore\\\\\frac{3}{10}+\frac{7}{100}=0.3+0.07=0.37=\boxed{\frac{37}{100}}[/tex]
Lemony
3/10 + 7/100 = 30/100 + 7/100 = 37/100

First convert 3/10 to 30/100 (Multiply both numerator and denominator by 10). Then add.

Answer: 37/100 (B)