Q: Why is there only two numbers in the fact family for 9 and 81?

Write your answer...

Submit

Still have questions?

Continue Learning about Math & Arithmetic

There cannot be such a family because of self-reference. It is similar to the Russell paradox (named after Bertrand Russell). As soon as you have a fact family with only two facts, you have added a third fact. The third fact is that is that the fact family had only two facts. That then makes it a family with three facts. Which means it is no longer a fact family with only two facts. So the third fact is no longer correct. And so it does not have three facts. Which means it has only two facts and you will keep looping round and round forever!

If a fact family has only 2 multiplication nd division sentences, what do you know about the product and divident?

The LCM of two numbers is their product if and only if the two numbers are co prime, that is their HCF is 1. Otherwise their LCM in not their product, in fact, it is their product divided by their HCF.

It has only 2 numbers: 9 and 81. Since 9 squared (9^2, 9*9). So all there is is:9 × 9 = 8181 = 9 × 9

only two whole number are the same, 5. 5x5=25, 5 is in fact the square root of 25. you could also do 2x12.5=25 The two numbers that make 25 are 2 and 5 .

Related questions

There are only two numbers in that case. For example 5 x 5 = 25 and 25/5 = 5. The fact family has only two sentences. Now from the equation it indicates that the product of the same numbers gives the dividend or dividend divided by divisor is the same number as the divisor since there are only two numbers in the fact family.

There cannot be such a family because of self-reference. It is similar to the Russell paradox (named after Bertrand Russell). As soon as you have a fact family with only two facts, you have added a third fact. The third fact is that is that the fact family had only two facts. That then makes it a family with three facts. Which means it is no longer a fact family with only two facts. So the third fact is no longer correct. And so it does not have three facts. Which means it has only two facts and you will keep looping round and round forever!

because you need 3 different numbers for 4 sentences

Prime numbers have only two factors.

If a fact family has only 2 multiplication nd division sentences, what do you know about the product and divident?

this is when there are the same digit numbers in the sentence

The LCM of two numbers is their product if and only if the two numbers are co prime, that is their HCF is 1. Otherwise their LCM in not their product, in fact, it is their product divided by their HCF.

IT does because the other two sentences are impossible.

It does because the other two sentences are impossible.

It has only 2 numbers: 9 and 81. Since 9 squared (9^2, 9*9). So all there is is:9 × 9 = 8181 = 9 × 9

There are no two negative numbers that can do that. In fact,there are no two completely-real numbers that can do it.The only two numbers that can get the job done are :-2 + i 24.41311-2 - i 24.41311(Imaginary component is rounded.' i ' is the square root of -1 .)

Why does the Fact family for 81 and nine have only two number sentences