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Identify the rule for the following pattern: 99, 90, 81... add 9 add 9 multiply 9 multiply 9 subtract 9 subtract 9 divide 9
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3 votes
3 votes
Identify the rule for the following pattern:

99, 90, 81...


add 9
add 9

multiply 9
multiply 9

subtract 9
subtract 9

divide 9

User AndrewR
by
2.4k points

2 Answers

10 votes
10 votes
Add 9. 81+9=90. 90+9=99.
so on
User CHS
by
2.8k points
11 votes
11 votes
Subtract 9
Since : 99-9= 90
90-9=81
User Maurox
by
2.2k points
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