Question

2.5 ÷ 1000 is equal to (a) 0.025 (b) 0.0025 (c) 0.2500 (d) 25000

Answer 1

◆Heya◆

Here's your answer...

Question :-

2.5 ÷ 1000 is equal to

Solution :-

Here, 1000 has 3 zeroes

So, point moves 3 places front...

2.5 / 1000

0.0025

◆Option is B◆

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Hope this helps you....

Answer 2

The correct answer is option (b) 0.0025.

• Since the denominator is a power of 10, it is easy to calculate the given problem. A simple trick to solve this problem would be to count the number of zeroes in the denominator and shift the decimal point in the numerator that many times towards the left.
• There are three zeroes in the denominator. So on shifting the decimal point in 2.5 three times towards the left, we have

       2.5 ÷ 1000 = 0.0025 or it can also be represented as 2.5 x $10^{-3}$.

∴ The correct answer is option (b) 0.0025.

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