mooza4880 mooza4880
  • 01-07-2021
  • Mathematics
contestada

How many 2-digit numbers can you make without repeating the digits? Numbers like 34 not like 55.

80

81

83

84

Respuesta :

labeeb2
labeeb2 labeeb2
  • 01-07-2021

Answer:

81.

Step-by-step explanation:

The 2 digit numbers without repeated digits is 81. There are 90 two-digit numbers in the decimal system. In 9 of them, both digits are the same number. So, there remain 81 without repetitions.

Answer Link

Otras preguntas

write n/4−5 as a verbal expression
Silicon crystals are semiconductors. Which of the following is a correct reason for the increase in the conductivity of Si crystals when a small fraction of Si
Harry collects sedimentary and igneous rocks in the ratio 16:9. What percentage are igneous?
Choose one of these
(BRAINLIEST) Which of these statements best describes an Alkali?
1) Which best describes the tone of this poem? )) A) defiant B) accepting ecstatic D) despairing
Cuáles son los factores que inciden en la creación del conocimiento
1 You have a $5 off coupon you can use at the Pizza Shop as well as a 20% coupon you can use after the $5. Write an expression that would represent how much you
Identify which colonies each characteristics describes: New England, the Chesapeake, and the Lowcountry. Check all that apply. -Difficult for slaves to create s
What is the immediate treatment for a primary injury?