In a sequence of numbers where each number is a multiple of 9, which of the following numbers cannot be in the sequence?

1 question

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Q: In a sequence of numbers where each number is a multiple of 9, which of the following numbers cannot be in the sequence?

Solution: 50 is not a multiple of 9, while 27, 45, and 81 are all multiples of 9.

Steps: 8

Step 1: Understand what a multiple of 9 is. A multiple of 9 is any number that can be divided by 9 without leaving a remainder.
Step 2: List the numbers given in the question: 27, 45, 81, and 50.
Step 3: Check each number to see if it is a multiple of 9.
Step 4: For 27: 27 ÷ 9 = 3, which is a whole number. So, 27 is a multiple of 9.
Step 5: For 45: 45 ÷ 9 = 5, which is a whole number. So, 45 is a multiple of 9.
Step 6: For 81: 81 ÷ 9 = 9, which is a whole number. So, 81 is a multiple of 9.
Step 7: For 50: 50 ÷ 9 = 5.555..., which is not a whole number. So, 50 is not a multiple of 9.
Step 8: Conclude that 50 cannot be in the sequence of numbers that are multiples of 9.