The next number in the series is 30.
<h3>What is series?</h3>
It should be noted that series simply means the operation of adding values together in a data set.
In this case, it can be seen that the numbers are interchangeable between 30 and 31.
In this case, since 31 was the last number, the next number will be 30.
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Answer:

Step-by-step explanation:



because 16 is a perfect square root and it splits into 4 * 4 while 10 isnt a perfect square root so it stays inside.
Well one third is 100
so two thirds must be 200
Answer:
26.6
Step-by-step explanation:
Tan(26.6) = 0.5
8/16 = 0.5
Answer:
132600
Step-by-step explanation:
I was always taught like this, and this should be the best estimate:
28 x 4417 --> 30 * 4420 --> 132600
Some other possible estimates with simpler values:
30 * 4400 --> 132000
30 * 4500 --> 135000
30 * 4000 --> 120000