LEAHWINTERGO LEAHWINTERGO

Mathematics

Answered

Area codes are the first three digits of a 10-digit telephone number. The first digit of an area code cannot be 0 or 1.
a. How many area codes can be created if digits are allowed to be repeated?

b. How many area codes can be created if digits are not allowed to be repeated?

PLEASE HELP this is a timed quiz

Answer :

VINAYKUMARHGO VINAYKUMARHGO

Answer:

Area codes are the first three digits of a 10-digit telephone number. The first digit of an area code cannot be 0 or 1.

a. How many area codes can be created if digits are allowed to be repeated?

Answer Link

Go Question: Other Questions

A Restaurant Earns $1445 On Friday And $1624 On Saturday. Write And Solve An Equation To Find The Amount X(in Dollars ) The Restaurant Needs To Earn On Sunday T

How Many Milliliters Is In A Gallon Of Milk

Write A Three Stanzas Poem On Coronavirus

What Is The Gradient Of The Blue Line

You Can Either Park The Car Outside On The Ground Or Inside A Garage. You Have 6 Cars. How Many Ways Can You Park Your Cars?

On A Website, Your Friend Saanvi Describes Herself As A Mother, Teacher, And Daughter. What Is Saanvi Describing About Herself?

Mrs. Romano Bought Eight Toy Trucks For $1.75 Each. She Paid For The Trucks With A $20.00 Bill. How Much Change Should She Receive From Her Purchase? Record You

What Is The Value Or 8 To The Negative 1st Power

Which Of The Following Is A Rational Number? (5 Points) square Root Of 2, Square Root Of 3, Square Root Of 4, And Square Root Of 5 Group Of Answer Choices squar

Define The Following Concept Right

It Is A Part Of Webpage That Contains The Logo Ang Branding Of The Web Page

Explain How The Widespread Use Of Coffee Affected The Following: Finance And World Commerce, The intellectual And Political Development Of Europe.