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81 mod 9, 81 modulo 9 as well as 81 modulus 9 all mean the same: 🙂
The remainder of the (Euclidean) division of 81 by 9.
What is 81 modulo 9?
- 81 is the dividend
- 9 is the divisor (modulo)
- 0 is the remainder
So, the answer is:
Next, we show you the math.
How is 81 mod 9 Calculated?
Any decimal number is made up of a whole part, followed by a decimal point, followed by its decimal digits.
Conduct the three steps below:
- Take the whole part of 81 / 9 called quotient: 9
- Multiply the quotient by the divisor: 9 × 9 = 81
- Subtract the result from step 2 from the dividend: 81 – 81 = 0
Proof: 0 = (9 × 9) + 0.
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