Which number is not equal to one of the following expressions?

2,500 x 10

250,000 -: 100

2,500 -: 10

What are your choices?

Which number is not equal to one of the following expressions?

0.5017 x 1000
501.7÷10501.7÷10
501.7÷1000501.7÷1000

To find the number that is not equal to one of the given expressions, we need to calculate each expression and compare the results. Let's break it down:

1. 2,500 x 10:
To multiply 2,500 by 10, multiply the two numbers together:
2,500 x 10 = 25,000

2. 250,000 ÷ 100:
To divide 250,000 by 100, divide the number by another number:
250,000 ÷ 100 = 2,500

3. 2,500 ÷ 10:
To divide 2,500 by 10:
2,500 ÷ 10 = 250

Comparing the results:

- The expression 2,500 x 10 equals 25,000.
- The expression 250,000 ÷ 100 equals 2,500.
- While the expression 2,500 ÷ 10 equals 250.

Based on our calculations, the number that is not equal to any of the given expressions is 300.