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2,115,000
We will solve the problem of multiplication operations.
Given:
A number is 42,300 when multiplied by 10.
Question:
Find the product of this number and 500.
The Process:
Let the number as N.
N multiplied by 10 equals 42,300.
[tex]\boxed{ \ N+N+N+N+N+N+N+N+N+N = 42,300 \ }[/tex]
[tex]\boxed{ \ 10 \times N = 42,300 \ }[/tex]
Based on the two reasons above, we can conclude that the value of N is 4.230. So, the number in question is [tex]\boxed{ \ 4,230 \ }[/tex].
Another way to get N is to divide 42,300 by 10.
[tex]\boxed{ \ N = 42,300 \div 10 \rightarrow \boxed{ \ N = 4,230 \ } \ }[/tex]
Now we proceed to find the product of this number and 500.
[tex]\boxed{ \ 4,230 \times 500 = ? \ }[/tex]
[tex]\boxed{ \ 423 \times 5 \times 1,000 = ? \ }[/tex]
[tex]\boxed{ \ 2,115 \times 1,000 = 2,115,000 \ }[/tex]
Thus, the product of this number and 500 is [tex]\boxed{\boxed{ \ 2,115,000 \ }}[/tex].
Keywords: a number is 42,300, when multiplied by 10, 4,230, find the product, this number, and 500 multiplication operation, zero, divide