What is 0.12 divided by 8?

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Answer 1 · 2016-05-12T13:33:09

$0.015$

We can write the given expression in numbers, as $0.12/8$

Let's multiply and divide the fraction by 100.

$[0.12 color(red)(xx100)]/[8color(red)(xx100)] = 12/(8xx100)$

Now, we know that $12 = 3 xx 4$ and $8 = 2 xx 4$

We have, $[3xx4]/[2xx4xx100]$

Here, 4 is a common factor.

$[3xxcancel(4)]/[2xxcancel(4)xx100]$

$=3/(2xx100)$

$=3/200$

Now, let's write this as a decimal number.

We need a multiple of 10 in the denominator.

$color(red)(200xx5 = 1000)$ , which is a multiple of 10.

Next, multiply and divide the fraction by $5$ .

$(3xx5)/(200xx5)= 15/1000$

Any number can be written as a decimal.
Here, $15$ can be written as $15.0$

Three 0's in the denominator means 3 decimal points to the LEFT.

That gives us $color(red)(0.015)$ , (add any extra 0's to the left of the number).