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Home Q & A Board Science-Related Homework Help Mathematics
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Lada Lada
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6 years ago
Calculate the final answer for the following expression: (103 + 202) ÷ 20
A) 50.00
B) 20.00
C) 70.00
D) 3.5
E) 5000
Textbook 
Contemporary Business Mathematics with Canadian Applications

Contemporary Business Mathematics with Canadian Applications


Edition: 11th
Authors:
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josanjosan
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Calculate the final answer for the following expression: (103 + 202) ÷ 20.
3 is above 10 + 2 is above 20
Anonymous
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6 months ago
Help! The answer is missing an explanation...
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#9
Educator
6 months ago
Quote from: Anonymous (6 months ago)
(103 + 202) ÷ 20

(103 + 202) ÷ 20

Use the order of operations:

\[(10^3 + 20^2) = 1400\]
\[1000 + 400 \div 20 = \frac{1400}{20}\]

Both are divisible by 20:

\[\frac{1400}{20} \Rightarrow \boxed{70}\]
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