chevystewart880 chevystewart880
  • 08-06-2018
  • Mathematics
contestada

How many 7-digit phone numbers can be formed if the first digit cannot be 0 or 1 and if no digit can be repeatd?

Respuesta :

ashleyymillerr ashleyymillerr
  • 08-06-2018
8x10x9x8x7x6x5= 1209600
Answer Link

Otras preguntas

Which of the following refers to the amount of FDI undertaken over a given period (normally a year)? A. Portfolio B. Flow C. Status D. Stock E. Fragment.
Which kind of water should be used for food processing? a. drinking water b. freshwater c. potable water d. tap water
85 A sample of ammonium phosphate can be prepared by the reaction of aqueous ammonia and phosphoric acid. 3NH3 (aq) + H₂PO4 (aq) (NH4),PO4 (aq) 25.0cm³ of 1.25
consider the following figure. it indicates that a single amino acid substitution ______.
GIVING BRAINLIEST!! One major difference between developed and developing countries is that developed countries:O A. have very limited access to advanced techno
Which has the larger ionic size Li+ or K?
Gina charges an initial fee and an hourly fee to babysit. Using the table below find the hourly fee and the initial fee that Gina charges to babysit. Show work.
Why and how MgC2 formed? Why it's not formed as Mg4C2?
a 65-year-old retina receives only about _____ as much light as its 20-year-old counterpart.
a 3′ poly-a tail and a 5′-cap are common components of prokaryotic rnas.