Patterns in zeros

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The number zero has a lot of significance in mathematics. The number zero written in front of a number i.e. to the left of the number is as same as the number without the zeroes to the left. The same zeroes written to the right of the number makes a pattern to the number. Placing one zero to the right of the single number makes a ten’s place. Placing two zeroes to the right of a single number is a hundred place number. Placing three zeroes to the right of a single number is a thousand place number and so on.
          10 – Ten.                                 10000 – Ten Thousand.
            100 – Hundred.                       100000 – Hundred Thousand.                       
            1000 – Thousand.                   1000000 – Million.
 
Example 1: The teacher brought 10 boxes of pencils. There are 200 pencils in each box. How many total number of pencils are there?
Solution: Number of boxes = 10.
Number of pencils in a box = 200.
The number of pencils in each box = 10 x 200 = 2,000.
Hence, number of pencils = 2,000.
 
Question: Multiple choice question (Pick the correct option.)
What is the solution for the division: 18,000 ÷ 9?
a)    2000               b) 6000                      c) 9000                       d) None of these.
Correct answer: option a.
 Explanation: In the division 18,000 is the dividend and 9 is the divisor.
While dividing 18,000 ÷ 9 = 18000/9 = (18 x 1000)/9 = 2 x 1000 = 2000.
This gives the quotient that is 2000.
Hence, the answer is 18,000 ÷ 9 = 2,000.

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