Question

Divide. Round to the nearest tenth. 104÷5.1

Answer 1

104 ÷ 5.1 = 20.3921
Nearest tenth 20.4

Answer 2

Answer: 20,4

Step-by-step explanation:

$\frac{104}{5.1} = \frac{1040}{51}$

First, we take from 1040, only 104 and look up for a number that multiply by 51 gives less or equal 102, so:

$51 * 2 = 102$, this 2 goes to the answer

and 104 - 102 = 2

And now we use the last zero from 1040, and now we have a 20, but that number is less than 51, so we add another zero to have a 200, and we have to add another zero to the 2 of the answer

So, our answer until now is 20

Now, we add a coma to the answer (20,) and with the 200, we look up for a number that multiply by 51 gives less or equal 200, so:

$51 * 3 = 153$

And the answer until now is 20,3

and 200-153 = 47

We are in the same case, so we add a zero to get 470 and we look up for a number that multiply by 51 gives less or equal 470, so:

$51 * 9 = 459$

So the answer so far is 20,39