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Nine of them
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Earn +20 ptsQ: How many 9s in 81?
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How many 9s go in 81?
9 of them.
How do you make 8 from four 9s?
9*9=81 81-9=72 72/9=88
How do you write 0.81 repeating as a fraction in simplest form?
Write the repeating digits over the same number of 9s and simplify: 0.81... has two repeating digits ⇒ the denominator has two 9s, ie 99. ⇒ 0.81... = 81/99 = 9/11
What is the pattern of 9s?
as in the multiples? 9 18 27 36 45 54 63 72 81 90 99 ...
How many 9s are in 45?
5
How many 9s are in 72?
8
How five 9s equal to 100?
9^2+9+9 +9/9 81+9+9+1=100
What is the times table for 9s?
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108
What is the pattern in the 9s multiplication facts?
The pattern is: 9, 18, 27, 36, 45, 54, 63, 72, 81, and 108.
How many 9s in 630?
79
What is the greatest common factor of 9s and 63s3?
The GCF of 9s and 63s^3 is 9s.
How many 9s go into 90?
10 times
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