9 Modulo 10
9 Modulo 10. Modulus method to find 9 mod 10 using the modulus method, we first find the highest multiple of the divisor (10) that is equal to or less than the dividend (9). Let's have a look at another example:
Which is why you nearly always find 10^9 + 7 in modulo type questions.
The modulus method requires us to first find out what the highest common multiple of the divisor (10) is that is equal to or less than the dividend (9). Some basic knowledge of modulo arithmetic is required to understand this part. A mod n where a is the value that is divided by n. Here is the math to illustrate how to get 9 mod 10 using our modulo method:

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