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What are the factors of x2 equals 81?
If: x2 = 81 Then: x = 9 or x = -9
What is the largest two digit number with exactly 8 factors?
81
How do you factor 100x2-81 equals 0?
100x2-81
What are the 5 factors in 81?
Factors are just numbers 81 can be divided by. The whole number factors are 1, 3, 9, 27, and 81
What are 81's common factors?
The factors of 81 are 1, 3, 9, 27, 81. For them to be common, they need to be compared to another set of factors.
What are the factors of x2 equals 81?
If: x2 = 81 Then: x = 9 or x = -9
What are the positive integers for which a plus b plus c plus d equals 20 and abcd equals 81?
If a, b, c, and d are positive integers that add up to 20 they each must be less than 20. If abcd=81 then a, b, c, and d must be factors of 81. The factors of 81 are 1,3,9 then 27, so there is no solution to this problem.
What is the largest two digit number with exactly 8 factors?
81
Is 81 prime or a composite?
81 is a composite number because it has more than two factors.
What numbers have exactly 5 factors under 100?
16 and 81 are the only two.
What fraction equals 81 percent?
81% = 81/100
What are the factors of 18 and 81?
The factors of 18 are 1,2,3,6,9, and 18. The factors of 81 are 1,3,9,27, and 81.
Why is 81 a composite?
It has more than two distinct factors; they are 1, 3, 9, 27, 81
What are factors for 81?
The factors of 81 are: 1 3 9 27 81
What are the factors or 81?
The factors of 81 are 1, 3, 9, 27, and 81.
What is -81 over -9?
-81 over -9 simplifies to 9, as dividing two negative numbers results in a positive number. Specifically, -81 divided by -9 equals 9.
What two numbers multiplied equals 243?
243 has a decent number of factors (1, 3, 9, 27, 81, 243), so you have a few choices. The most obvious one is simply 243 * 1 = 243. 3 * 81 and 9 * 27 also work.
