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

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asked Apr 23, 2022 150k views

13 votes

Plss help

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

Mathematics
high-school

Sergey Geron asked

by Sergey Geron

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2 Answers

5 votes

Answer:

Explanation:

A. a=100. an=999

an=a+n-1.d

Therefore answer will be 900.

B. 9000.

DoiT International answered Apr 24, 2022

by DoiT International

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5 votes

Answer:

a) 900

b) 9,000

Explanation:

Minder answered Apr 27, 2022

by Minder

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