dbarlam
dbarlam dbarlam
  • 27-01-2021
  • Mathematics
contestada

plss help
7. (a) how many 3-digit positive numbers are there?
(b) how many 4-digit positive numbers are there?

Respuesta :

Kevyan
Kevyan Kevyan
  • 27-01-2021

Answer:

a) 900

b) 9,000

Step-by-step explanation:

Answer Link
rashadkhatib098 rashadkhatib098
  • 27-01-2021

Answer:

Step-by-step explanation:

A. a=100. an=999

an=a+n-1.d

Therefore answer will be 900.

B. 9000.

Answer Link

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