jamesgaglio12 jamesgaglio12

01-02-2021
Mathematics

contestada

How many phone numbers (without area codes) are possible? The first digit cannot be 0 or 1.

Respuesta :

01-02-2021

Answer:

Step-by-step explanation:

For the first digit, there are 8 numbers to choose from (2, 3, ..., 9).

For each remaining digits, there are 10 numbers to choose from (0, 1, ..., 9).

Choose 6 of them. Repetition is allowed, and order matters.

There are 10⁶ possible choices.

There are 8×10⁶ possible phone numbers.

Answer Link

Otras preguntas

What is the square root of 144?

Vicky created a map of her neighborhood on a coordinate plane. Her house is located at (-3, 6) and her school is located at (-3 -1) How far, in units, is Vicky'

The temperature outside is -5 degrees fahrenheit. Name the temperature that would make the sum of the two temperatures 0 degrees fahrenheit

What is TCP/IP? a cloud software name an ISP(internet service provider) the protocol that underlies most of the Internet another name for the transport layer

Yoko purchased a prepaid card for $15. Long distance calls cost $.13 a minute using this card. Yoko used her card only to make a long distance call. If the rema

What is the product of the two integer values for $x$ for which $|x^2 - 16|$ is a prime number?

How did some Eastern European nations try to solve problems caused by the dissolution of the Soviet Union? decreased government debt decreased inflation increa

Which equation applies the associative property of multiplication? A:(−4/11−2/3)−3/4=−4/11−(2/3−3/4) B:−12/5⋅(7/12⋅1/9)⋅8/5=(−12/5⋅7/12)⋅(1/9⋅8/5) C

A digital camera costs $185 and the sale tax rate is 5.7% what is the total cost of the camera after tax. Round it to the nearest cent if necessary

can SPIROSTOMUM infect FISH