How many seven-digit phone numbers can begin with the prefix 827?

Q: How many 7 digit phone number are possible? Assume the first digit can be zero and all digits can be…

A: make 7 digit phone number.The first number can be zero and all digits can repeated. The digits are :…

Q: When dialing a friend's phone number, a person forgot the last four digits, and only remembers that…

A: The last four places can be taken by any number from 0 to 9. Now, two places have same number.

Q: List the three-digit numbers that use each of the digits 2, 5, and 8 once and only once.

A: Here, it is required to find the three-digits that use each of the digits 2,5 and 8 once and only…

Q: License plates in a particular state display two letters followed by three numbers, such as AT-887…

A: For creating a License plates we require Two alphabets and three three digits . We know that here…

Q: If 3 is added to a whole number w,the result exceeds 20???

A:

Q: Make a new and unique acronym of PEMDAS related to math.

A: We have to kake a new and unique acronym of PEMDAS related to math.

Q: need to be converted to base 10

A: In Mayan numeral system a line represents 5 and a dot represents 1 and it is a base 20 numeral…

Q: Assume that there are 325 million people in the United States. If 128,978 people died of a stroke in…

A: Total population = 325 million                          = 325000000Let x be the number of people who…

Q: B. Find the value of x on numbers 144

A: We will solve the value x.

Q: I need help with 21

A: The given series is ∑n=1∞x-3nn25n. Let an=x-3nn25n, then an+1=x-3n+1n+125n+1. Apply ratio test,…

Q: How many ten-digit telephone numbers are possible if the first three digits must all be different?

A: Given,total no.of digits=10  (0 to 9)

Q: How many square numbers are between 100 and 10,000, inclusive?

A: To find :- How many square numbers are between 100 and 10,000.

Q: h. Evaluate 2log4163

A: