Representing 3 and one tenth as decimal by 3.1
<u>Step-by-step explanation:</u>
Here 3 is the whole number.
1 tenth is nothing but .
= 0.1
When we write numerals with tenths using the decimals we can use a decimal point also the tenths positioned to the right of the decimal point. The tenth place is denoted as immediately right to the decimal point.
So it is represented as 3.1.
Answer:
8542
Statement
1.It is a four digit number
2.The tens are double the ones
3.The thousands are double the tens
4.The sum of the digits is nineteen
Step-by-step explanation:
It is a four digit number
lets take 4 digit number-ABCD
The tens are double the ones
-----------------------------1
The thousands are double the tens
-------------------------------2
According to equation 1 and 2
If we take
Possible number
OR
The sum of the digits is nineteen
I use hit and trial method
- If I take B is maximum
- If, i try to find value of B
---------------------3
So the unknown number is- 8542