ryanstoyreview ryanstoyreview
  • 13-11-2017
  • Mathematics
contestada

How many four digit numbers can we make from the numbers 5, 6, 7, 9 if you can repeat the digits and use the digit 5 at least once?

Respuesta :

Catya
Catya Catya
  • 13-11-2017
multiply the number of choices for each position together. Three of the numbers can be repeated with the one (5) only being used once.

(4 possible choices) × (3 possible choices) × (3 possible choices) × (3 possible choices) = 4 × 3 × 3 × 3 = 108
Answer Link

Otras preguntas

Find the coordinates of the midpoint of HX H(0,0) and X(8,4)
Write 6,392,094,003 in word form
Starting at a certain speed, a bicyclist travels 200m. Suppose the bicyclist undergoes a constant acceleration of 1.20m/s squared. If the final speed is 25.0m/s
What are the uses of  lemons? :)
What is the gcf of 30,45,75
How do you convert 17/23 into a percent and decimal
how do yo solve a square root  √90÷√40
If a set of six numbers that include both Rational and irrational numbers is graphed On a number line, what is the fewest number of distinct points that need to
four noncoplanar points define a space, but could they be used to form two intersecting planes? Explain why or why not
Solve for ax=bx-c; 8x=3x-10.