For the fraction 2/5
write one – place decimal, two, place decimal, and three place
decimal.
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For the fraction 2/5
write one – place decimal, two, place decimal, and three place
decimal.
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Answer:
Step-by-step explanation:
One place decimal 0.4
0.40
0.400
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Step-by-step explanation:
The easiest way to write this as a decimal is to multiply it until the denominator is
10
. As decimals are written in a tens system (with a tenths, hundredths, thousandths, etc. place), fractions with a denominator of
10
can easily be written as decimals.
The way to make the denominator ten is to multiply both the top and bottom by
10
the bottom number
. In this case:
(
2
5
)
⋅
⎛
⎝
10
5
10
5
⎞
⎠
(
2
5
)
⋅
(
2
2
)
To simplify, we can multiply the two numerators and the two denominators.
2
⋅
2
5
⋅
2
When we simplify, we get:
4
10
This, in words, is four tenths. Therefore, we put
4
in the tenths place of the decimal.
In decimal form, this is
0.4
.