Is the number 30 divisible by 10?
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Is the number 30 divisible by 10?
To determine whether the number 30 is divisible by 10, we will apply the divisibility rule for 10.
According to this rule, a number is divisible by 10 if its last digit is 0. Let's check the number 30:
Therefore, the conclusion is that 30 is divisible by 10. The correct answer is Yes, which corresponds to choice 1 in the provided options.
Yes
Is the number 43 divisible by 4?
Because 10 = 2 × 5, and any number ending in 0 contains both these factors! The last digit tells us everything we need to know about divisibility by 10.
No! Only numbers ending in 0 are divisible by 10. Numbers ending in 5 are divisible by 5, but not by 10. For example: 25 ÷ 10 = 2.5 (not a whole number).
Not usually! The divisibility rule gives you the answer instantly. But if you want to double-check, dividing 30 ÷ 10 = 3 confirms our rule worked correctly.
The last digit rule is the fastest method! You could also check if the number is divisible by both 2 and 5, but that takes longer than just looking at the final digit.
Same rule applies! 1,230 ends in 0, so it's divisible by 10. The rule works for any size number - just check that last digit.
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