1801
Multiply to do 39 and + - to 1
To multiply two digit decimal numbers, multiply the numbers as you would without the decimals. To put the decimal in the answer, count the number of decimal places in the two numbers and put the decimal in the answer that many places to the left. For example: 5.12 x 6.35 = 32.5120. If the numbers were 51.2 x 63.5, the answer would be 3251.20.
Two: 83 and 89.
There are no two real numbers that do. Using complex numbers, these two do: (-3/2 + i√151/2) & (-3/2 - i√151/2) Two numbers that add to -3 and multiply to -40 are -8 & 5 Two numbers that add to 3 and multiply to -40 are 8 & -5 Two complex numbers that add to 3 and multiply to 40 are (3/2 + i√151/2) & (3/2 - i√151/2)
1 x 89, 89 x 1
89 is a prime number, so the only two numbers that you can multiply together to get a product of 89 are 1 and itself.
The two numbers -9 + √89 (≈ 0.434) and -9 - √89 (≈ -18.434)
650
When you multiply two numbers, you get the product
1 and 89, -1 and -89
As a product of its prime factors: 5*89 = 445
When you multiply two numbers, it is called the product.
The two (or more) numbers that you multiply are called factors. (The result of the multiplication is called the product.)
They are: 2*89 = 178 and 1*178 = 178
89 100
Two numbers that you can multiply together to get 72 are: 36 and 2.