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The divisibility rule for 4 states that the last two digits of the number must be:
Even
Divisible by 4
Ending in 0 or 4
Greater than 10
Divisible by 4
Only examine the last two digits of the number to quickly determine divisibility by 4 instead of long division.
A number tested for divisibility by 4.
NтЙб0(mod4)
Only examine the last two digits of the number to quickly determine divisibility by 4 instead of long division.
Mistaking the rule for 4 with the rule for 2, which only checks if the last digit is even.
Analyze the Rule
The divisibility rule for 4 states that a number is divisible by 4 if and only if the number formed by its last two digits is divisible by 4.
Last┬аtwo┬аdigits(mod4)=0
Match with Options
Comparing this standard mathematical property with the given choices, Option B correctly describes this condition.
Option┬аB
B is correct because a number is divisible by 4 if and only if its last two digits form a number divisible by 4.
For any power of 2 such as 2n, the divisibility rule requires checking the last n digits of the number.
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