How do you multiply #0.31*69#?
2 Answers
Mar 24, 2016
Explanation:
If you are calculating it in your head, you might be best off doubling
#69 -> 138 -> 276 -> 552 -> 1104 -> 2208 -> 2139 -> 21.39#
There will be different approaches. All as effective as each other. Here is another one
21.39
Explanation:
Consider
So