How do you simplify #2.1 div 4.41#?
2 Answers
Aug 8, 2016
Explanation:
Aug 8, 2016
Explanation:
It is very useful to know some of the squares and other powers by heart.
In this case we could notice that the same numbers are used, just with decimals.
There are 2 decimal places in 4.41 and only one in 2.1
This leads us to realise that
And consequently: