simplify the following 4×3.1 +2×1.6-0.9
Answers
Answered by
1
Step-by-step explanation:
use BODMAS
4 x 3.1 + 2 x 1.6 - 0.9
= 12.4 + 3.2 - 0.9
= 15.6 - 0.9
= 14.5 ans
Answered by
1
The numbers the said to be in proportion of product of there extreme is equal to product of mean.
Here, extreme are:- 1.2 and 1.2
product of extreme = 1.2 × 1.2 = 1.44
Mean are :- 1.6 and 0.9
product of mean = 1.6 × 0.9 = 1.44
Since , Product of extreme= Product of mean
So, they are in proportion.
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