Find the greatest decimal number from the given option?

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0.0111

0.00013

0.1001

0.0009

answer is B.

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Detailed Solution

Certainly, let's compare the decimal numbers you provided and explain why 0.1001 is the greatest among them.

0.0111
0.1001
0.0009
0.00013
When comparing decimal numbers, you start from the leftmost digit (the digit before the decimal point) and move to the right. In this case:

0.0111: The leftmost digit is 0. It's followed by 111, which is smaller than any combination of digits in the other numbers.

0.1001: The leftmost digit is 1, which is larger than the leftmost digit in the other numbers. It's followed by 001, which is smaller than the other numbers' rightmost digits, but this doesn't affect the comparison since the leftmost digit takes precedence.

0.0009: The leftmost digit is 0. It's followed by 009, which is smaller than the leftmost digit in the other numbers.

0.00013: The leftmost digit is 0. It's followed by 00013, which is smaller than the leftmost digit in the other numbers.

So, as you can see, 0.1001 has the largest leftmost digit (1) among the options, making it the greatest decimal number in this set.

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