The question is 7.86*4.6=?
>I got as far as multiplying the 6 times 7.86 to get 4716
>Then 4 times 7.86 to get 3144
>and added them to get 7806
(The answer is 36.156 & this is how I was told to do it) What am I doing wrong?
Stacey Warren - Expert brainly.com
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nevermind, i see, you're trying to do it by hand
Right, no calculators allowed. Trying to learn to do with out for a test.
4 7 1 6
Then when you do 7.86 times 4....you need to add a 0 as the first number
4 7 1 6
3 1 4 4 0
3 6 . 1 5 6
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AWESOME!! Thanks SO much! just one question, could you explain the placement of the zero? or is it because the number (6) is supposed to be before the four?
*for future reference to remember TO add the zero and why*
Hmm... well when you multiplied the second part,you add a "0" to that answer because you were multiplying the value from the tens column. If it's from the tens, add a zero. If it's from the hundreds, you would add two zeros.
So it would be the same...if you have 7.86 * 100
you do 7.86 * 0
then 7.86 times 0 again...but tack on a zero because we are now working with the "tens" place
then 7.86 times the 1....now you tack on 2 zeros because we are working with the "hundreds" place
and add altogether
I hope that made SOME sense lol
Right, yeah that's what I'd thought just not the right words lol! Thanks so much again your the BOMB!! Thanks for bearing with me, I know I'm not the quickest at numbers :)