Tuklasin ang mundo ng kaalaman at mga sagot mula sa komunidad sa IDNStudy.com. Magtanong ng anumang bagay at makatanggap ng agarang tugon mula sa aming dedikadong komunidad ng mga eksperto.

What is the largest digit that can be placed in the blank to make 53_21 divisible by 9?

Sagot :

The answer is 7 since 53721 divided by 9 is equal to 5969.
Divisibility rule:
The number is divisible by 9 if the sum of the digits of the number is divisible by 9.

5 + 3 + 2 + 1 = 11

18 is divisible by 9, to find blank, simply subtract the numbers:
18 - 11 = 7

Check:
53721 ÷ 9 = 5969

Therefore, the answer to your question is 7.