Question

Which of the following decimal numbers is the correct representation of 2 tens, 3 ones and 5 tenths?

• A. $\begin{array}{ccccccc}\text{Hundreds}& \text{Tens}& \text{Ones}& \text{Decimal point}& \text{Tenths}& \text{Hundredths}& \text{Thousandths}\\ 0& 2& 3& .& 0& 5& 0\end{array}$
• B. $\begin{array}{ccccccc}\text{Hundreds}& \text{Tens}& \text{Ones}& \text{Decimal point}& \text{Tenths}& \text{Hundredths}& \text{Thousandths}\\ 2& 0& 3& .& 0& 0& 5\end{array}$
• C. $\begin{array}{ccccccc}\text{Hundreds}& \text{Tens}& \text{Ones}& \text{Decimal point}& \text{Tenths}& \text{Hundredths}& \text{Thousandths}\\ 0& 2& 3& .& 5& 0& 0\end{array}$
• D. $\begin{array}{ccccccc}\text{Hundreds}& \text{Tens}& \text{Ones}& \text{Decimal point}& \text{Tenths}& \text{Hundredths}& \text{Thousandths}\\ 2& 3& 0& .& 5& 0& 0\end{array}$

Answer 1

The correct option is C $\begin{array}{ccccccc}\text{Hundreds}& \text{Tens}& \text{Ones}& \text{Decimal point}& \text{Tenths}& \text{Hundredths}& \text{Thousandths}\\ 0& 2& 3& .& 5& 0& 0\end{array}$

We know,
one-tens = 10
one-ones = 1
one-tenths = 0.1

So, 2 tens = 20
3 ones = 3
and, 5 tenths = 0.5
So, 2 will go in tens place, 2 will go in ones place and 5 will go in tenths place.

$\begin{array}{ccccccc}\text{Hundreds}& \text{Tens}& \text{Ones}& \text{Decimal point}& \text{Tenths}& \text{Hundredths}& \text{Thousandths}\\ 0& 2& 3& .& 5& 0& 0\end{array}$