162
They are: 2 times 81 = 162
3 & 27
Factors are numbers you can multiply together to get another number. 81: 1, 3, 9, 27, 81
83
You can multiply any numbers together.
They are: 2 times 81 = 162
There are no two real numbers that will add to -9 and multiply to 81. Using complex numbers, the two numbers are: (-9/2 + i9/2√3) and (-9/2 - i9/2√3)
245
9 x 9 = 81 :(
3 & 27
Factors are numbers you can multiply together to get another number. 81: 1, 3, 9, 27, 81
1 x 81, 3 x 27, 9 x 9.
These: 1 x 81, 3 x 27, 9 x 9
If it's a square, 9 by 9 feet. If it's a rectangle, any 2 numbers that multiply to make 81.
They are: 79+2 = 81
The two numbers that can multiply to give you 243 are 3 and 81, since (3 \times 81 = 243). Another pair is 9 and 27, as (9 \times 27 = 243) as well. Additionally, 1 and 243 can be considered, since (1 \times 243 = 243).
-9 and -9 multiply to get 81. ■