Seudónimo Seudónimo
  • 22-07-2020
  • Mathematics
contestada

How many times will the digit '3' appear if we write a all whole numbers from 1 to 99?

Respuesta :

snog
snog snog
  • 22-07-2020

Answer:

20

Step-by-step explanation:

The number 3 will appear in the numbers 3, 13, 23, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 43, 53, 63, 73, 83, 93. In these numbers it appears 20 times.

Answer Link

Otras preguntas

What's 165% as a fraction and decimal
What molecule is responsible for determining the fate of each cell
7. Which of the following rivers is the world's busiest waterway? A. Rhone B. Rhine C. Danube D. Seine
10(x+3)=9 mmmmmmmmmmmmmmmmm
approximately how long does it take the moon to complete one orbit around earth
Where does the water in streams and rivers originate? a. precipitation b. runoff c. ice and snowpacks d. all of the above
Convert 2x - 3y + 1 = 0 to slope-intercept form
Which of the following correctly describes SAM, a biological methylating agent? A) It contains a Cl bonded to a 1° carbon. B) It contains a methyl group bonded
How do bones in a fossil survive for millions of years?
of the 600 workers at a factory, 8.5% belong to a union. how many workers are in the Union?