I am a lovely cat. When I multiply the digits of a whole number and the product I get is 8, I put that whole number on my list of favorite numbers. Of the whole numbers from 1000 to 9999, how many would I put on my list of favorite numbers?

A.
10
B.
12
C.
16
D.
20
Mathematics
Competition
Math League
Exam No:2018 First Round Grade 4 Year:2018 Question No:5

Answer:

D

Knowledge points:

G4 - Number Sense - Systematic Counting

Solution:

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