What is 6 2/3 -4 1/6
2 answers:
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Answer:
Ah yes, one of my favorite topics.
Step 1: Which ever fraction comes first, you will solve it first. For this question, focus on doing first. Afterwards, do
Step 2: First one equals to 1.125. Next, find the LCD (lowest common dominator, which is 10).
Step 3: 1.125+3/10
Answer:
<em>4 is the unit's digit of the 20th number.</em>
Step-by-step explanation:
Let us try to find out a pattern for the unit's digit of the terms.
1st term is 1, so unit's digit of 1st term is 1.
2nd term so unit's digit is 4.
3rd term so unit's digit is 9.
4th term so unit's digit is 4.
5th term's unit digit: Square of unit's digit of 4th term + 3
i.e. 9.
:
We can see that the pattern is
3rd, 5th, 7th ...... terms have 9 as the unit's digit.
2nd, 4th, 6th.... terms have 4 as the unit's digit.
So, 20th term will have 4 as the unit's digit.