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

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

Mir evaluated 5x - (x + 3)2 for x = 2, as shown. Describe Amir's mistake and find the correct answer. 5(2) - (2 + 3)2 = 10 + (-5)2 = 10 + 25 = 35

what is tense ? write its three kinds with suitable examples.

Which country is part of North America

injured runners train on a special track at a rehabilitation center. The track is a square with a half circle on its left and right sides. The area of the squar

Does anyone know the answer

Solve 2x-1/y = w+2/2z for w.

Humans do this only every 10 months. Other organisms such as insects, can do this every 2 weeks. Is this reproduction or evolution?

Listen to each description and choose the person who BEST fits what is being said.

SpanishWhat does(¿ Cual este tu deporte fabeleto ?) and (¿ Cual este tu prefidedo deporte?)mean?

‼️‼️what is the parent function & transformation to‼️‼️ f(x)=2/3 /x-4/