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We would write ‘Eighty' to express 80 in words. It is the right way to write and pronounce the number 80. For example, if we want to convey that the number written here is 80, we would say, “the number is eighty”.
We generally used places to write any number in words. As expressed in the table given below:
Ten’s Place | One’s Place |
8 | 0 |
As we can see in the table, there is 8 at the ten’s place and 0 at the one’s place.
Therefore we have to read it from right to left with its place values. So we have to read it as “Eight Ten”.
It looks odd, so a Two-digit number having its unit digit 0 and any other digit in its ten’s place is written as “Name of the digit in ten’s place followed by ty”.
Similarly, 80 is termed as “Eighty”
In expanded form, we can write the number 80 as
\begin{aligned}
&8 \times \text { Ten }+0 \times \text { One }\\
&=8 \times 10+0 \times 1 \\
&=80 \\
&=\text {Eighty }
\end{aligned}
80 is a natural number, whole number, integer, rational number, and real number.
80 is an even number.
80 is also a composite number because it is divisible by more numbers other than 1 and itself.
This is known as the prime factorisation of 80
\begin{aligned}
&2^4 \times 5\\
&=2 \times 2 \times 2 \times 2 \times 5\\
\end{aligned}
Its scientific notation can be written as
\begin{aligned}
&8 \times 10^1\\
\end{aligned}
The square of 80 is 6400
The cube of 80 is 512000
The square root of 80 is 8.9
The cube root of 80 is 4.30
You can find out the detailed other number in words article list below:-
Using the place value chart, we can identify the value of each digit and convert the
numerals to words, we can write it as “Eighty”.
No, 80 is not a perfect square number.
81 is the successor of 80.
79 is the predecessor of 80.
No, 80 is not a perfect cube number.
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