How many different seven-digit telephone numbers can be formed if the first digit cannot be zero?

Q: If n is a prime number greater than 3, what is the remainder when n² is divided by 12?

A: The objective of this question is to find the remainder when the square of a prime number greater…

Q: What are whole numbers?

A: The set of whole number is a set of natural number with zero.

Q: How many zeros does 25! end with?

A: A number will have trailing zeros when 5 and at least one even number are factors of it.   Also, the…

Q: I just need to know why they are all classified that way. An explanation why each number is…

A: We classified the given numbers. Note : As per our Guidelines , we can solve first three subparts .…

Q: Using the digits 2 through 9, find the number of different 6-digit numbers such that: a. Digits can…

A: Answer:- Given digits are -  2,3,4,5,6,7,8,9  Total number of digits= 8

Q: Every natural number can be written as the products of prime numbers

A: This statement is true and we can prove this in step 2.

Q: c) List vertically all the ways each number 0-35 can be represented as a sum of two or more…

A: Assume that limiting the numbers to integers. Let's try a few and see if we can find a pattern:…

Q: Can anyone elplain what these jumbled numbers are supposed to tell me? Thank you!

A:

Q: If a is an even number, then a³ is an even number.

A: Here, We have given that (a) is an even number then we have to prove that (a3)  is also an even…

Q: What does 2 number cube rolled sequentially mean

A: The phrase '2 number cube rolled sequentially' refers to a scenario in probability and statistics…

Q: Find the missing digit in the number 1234x34780 if we know this number is a multiple of 9

A: Introduction: If the remainder is zero, a number is said to be divisible by another number.…

Q: ome reason the correct answer is 50178

A: Mean (μ) = $43,000 Standard Deviation (σ) = $5,600

Q: How many irrational numbers are there?

A: How many irrational numbers are there?

Q: A machine stores a floating point number in 7 bits. The first bit is for the sign of the number, the…

A:

Q: What if a1=16

A: Same procedure as before.

Q: Use the numbers 5 and 4 to illustrate the commutative property of multiplication.

A: