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What is the last digit in the product of the first 20 odd natural numbers?
5.
What is the last but one digit in the product of the first 75 even natural numbers?
8
What is the ones digit number in the product of the first 100 numbers?
Zero.
What proportion of the first 10000 natural numbers contain a 5?
271 of the first 1000 natural numbers contain at least one digit 5. That is 27.1 % of them.
Product of first five natural numbers?
120
What one-digit number is the product of two consecutive prime numbers?
There are only two prime numbers that are consecutive numbers, 2 and 3. Their product is 2 x 3 = 6. The first prime numbers are 2, 3, 5, and 7 and the only two consecutive prime numbers whose product is a single digit are 2 and 3. (The next two consecutive prime numbers, 3 and 5, have a two-digit product.)
What two numbers make up a product?
In any two-digit multiplication sum, for example, 3 x 2 = 6, the first digit is called the multiplier, the second digit is called a multiplicand, and the third digit, the answer, is the product.
What is the unit's digits of the product of the first 21 prime numbers?
The unit's digit is 0. That is true for the product of the first n primes provided n>2.The unit's digit is 0. That is true for the product of the first n primes provided n>2.The unit's digit is 0. That is true for the product of the first n primes provided n>2.The unit's digit is 0. That is true for the product of the first n primes provided n>2.
How many three digits natural numbers are divisible by 4?
The first 3 digit natural number is 100: 100 ÷ 4 = 25 → first 3 digit natural number divisible by 4 is 4 × 25 The last 3 digit natural number is 999: 999 ÷ 4 = 249 r 3 → last 3 digit natural number divisible by 4 is 4 × 249 → number of 3 digit natural numbers divisible by 4 is 249 - 25 + 1 = 225.
How do 3 digit numbers compare to 4 digit numbers?
3 digit numbers are lessthan 4 digit numbers
Explain why second partial product is always greater than the first partial priduct when you multiply two 2-digit numbers?
The product of two digit numbers is always greater than either.
What is the least product possible when you multiply a 1 digit number greater than 0 by a 2 digit number?
10 because 10 is the first 2 digit number out of all numbers.
