Find the smallest number that must be added to 128. so that it becomes exactly divisible by 5
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Answered by
7
Answer:
2 must be added
Step-by-step explanation:
divisibility rule of 5 is that any number ending with 0 or 5 is divisible by 5 so if we add 2 to 128 making it 130 thus it will become divisible by 5
Answered by
11
Step-by-step explanation:
The smallest number to be added to 128, so as to make it divisible by 5 can be 2 or 7 .
However the smallest number is 2 .
We have taken 2 as the smallest number because the test of divisibility of 5 states that any number whose ones place is either 0 or 5 then the whole number is divisible by 5 .
Therefore nearest number that can make that is divisible by 5 is 130
Then
130 -128=2
therefore the smallest number to be added will be 2
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