A whole number has a 3 in the tens place. If the value of the 3 in a new number is ten times the value of the 3 in the original number, what must be true? The 3 in the new number is in the ones place. The 3 in the new number is in the tens place. The 3 in the new number is in the hundreds place. The 3 in the new number is in the thousands place

A whole number has a 3 in the tens place. If the value of the 3 in a new number is ten times the value of the 3 in the original number, what must be true?

a. The 3 in the new number is in the ones place.

b.The 3 in the new number is in the tens place.

c.The 3 in the new number is in the hundreds place.

d. The 3 in the new number is in the thousands place

c. The 3 in the new number is in the hundreds place.

Explanation:

A whole number is simply a counting numbers and can have differing numbers of digits in it. Whole numbers can be seen as natural numbers as it begin from 1 . Whole numbers are also positive integers and in this case we include 0.

In a whole number each digit has a fixed position called its place. For example in the number 235, the digit 5 is at one's or unit's place, digit 3 is at ten's place and digit 2 is at hundred's place.

In the question ;

X3Y – sentence 1

X3P × 10 = X3PA– sentence 2

Where the letters are unknown digits with known places.

Obviously from sentence 2 we see that the digit 3 has moved from the tenth place to the hundredth place.

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