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How many three digit numbers are there with zero at one place?
90 of them.
How many three digit even numbers are possible if the left digit cannot be zero?
450
How many three digit numbers are there with zero at tens place?
there are no 3 digit tis two digit! :) * * * * * 90 of them.
How many three digit numbers are possible if the left digit cannot be zero?
a lot * * * * * Possibly, though that answer is relative. The correct answer is 900.
How many three digit numbers have digits that add up to zero?
None. The only way for it to be possible would be 3 zeros which is not considered a 3 digit numbers.
How many three-digit odd numbers are possible if the left digit cannot be zero?
450... There are 500 odd numbers from 000 to 999 inclusive. From 000 to 099, there are 50 odd numbers. 500 - 50 = 450.
How many different positive three digit are having the product of their digits equal to zero?
This is only possible if one of the digits is equal to zero. There are 90 3-digit numbers with a zero in the 10's place, and 90 3-digit numbers with a zero in the 1's place - and 9 numbers that have both a zero in the 10's place and a zero in the 1's place; these would be counted double if you just add the first two. So, you get: 90 + 90 - 9 such numbers.
How many three digit even numbers are possible if the leftmost digit cannot be zero?
To find the number of three-digit even numbers where the leftmost digit cannot be zero, we consider the structure of a three-digit number represented as (ABC), where (A) is the leftmost digit, (B) is the middle digit, and (C) is the rightmost digit. The leftmost digit (A) can be any digit from 1 to 9 (9 options), the middle digit (B) can be any digit from 0 to 9 (10 options), and the rightmost digit (C) must be an even digit (0, 2, 4, 6, or 8, giving 5 options). Thus, the total number of three-digit even numbers is (9 \times 10 \times 5 = 450).
How many digit has 100?
100 is a 3 digit number.
How many possible 3 digit numbers can be made using the digits 604?
There are 4 possible numbers if the digits are not repeated; 18 if they are. Those are 3-digit numbers, assuming that zero would not be a leading digit. If zero is allowed for a leading digit, then you can have 6 for the non repeated, and 27 if repetition.
How many 7 digit telephone numbers can be formed the first digit cannot be zero?
9,000,000 if there are no other requirements.
How many 7 distinct digit telephone numbers are there if the 1st digit may not be zero?
Nine million of them.
