bernardo61 bernardo61
  • 23-08-2022
  • Mathematics
contestada

2. How do you know if a number is
divisible by 9 without dividing?

Respuesta :

ericfeng1003
ericfeng1003 ericfeng1003
  • 23-08-2022

Answer:

Add all the digits of the number, then check if that sum is divisible by 9. If yes, we know the number is divisible by 9.

Answer Link
3nq9j2u9g9 3nq9j2u9g9
  • 23-08-2022
If the sum of all the digits of a number is divisible by 9, then the number is also divisible by 9. examining its digits.
Answer Link

Otras preguntas

2/3 * 1/5 * 4/7 using cancellation
Historically, the greatest threats to human health came from…
Which sentence has the most emphatic connotation? A. The picture seemed plain to me. B. The picture seemed dull to me. C. The picture seemed unattractive to
Evaluate h2g for h = 3 and g = 27.
Choose the sentence in which the passive voice is used. A. A path of destruction was left by the twister. B. Deepak slammed on the brakes as the car sped dow
If k(x)=5x+2, then what is the value of k(4)-k(1)? A) 15 B) 17 C) 19 D) 21
What is the slope of the line passing through (5, -6) and (4, 3)
Despite mechanization, why does dairy farming remain labor intensive? Cows must be milked several times a day. Products must be sold and transported immediately
Use the rules for multiplication by powers of 10 to calculate 20 × 100. A. 20 B. 2,000 C. 200 D. 20,000
Order the terms p^2, p^4, p^3 and p in descending powers of p