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to multiply a number by 9, the numbers in your answers add up to 9. Here's a pattern:
9*1=9 9+0=9
9*2=18 1+8=9
9*3=27 2+7=9.
When we get to 9*11, we get 99. 9+9=18, 1+8=9. The rule still applies to 99.
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What two number can you multiply to get 81?
9 and 9
What is a 3 digit number divisible by 2 and 9?
If you multiply 2*9, you get 18. Multiply that by 10 to get a three digit number, and you get 180.
Can you multiply a whole number by 9 and get 109?
no
How do you find 9 percent of a number?
Multiply it by 0.09.
What is the number when you multiply 12345679 x 9 the number of digits in the answer that are ones?
There are nine ones in the answer. 12345679 × 9 = 111111111
What two number can you multiply to get 81?
9 and 9
What does multiply line 7 by 9 mean?
Multiply whatever number is on line 7 by 9.
What is a 3 digit number divisible by 2 and 9?
If you multiply 2*9, you get 18. Multiply that by 10 to get a three digit number, and you get 180.
Can you multiply a whole number by 9 and get 109?
no
How do you get the square root of a number?
What you have to do is multiply that number by the same number for example 3x3=9 so 9 is a square number.
Why is 9 a square number?
because you can multiply a number (in this case 3) by itself and get that number
How do you find 9 percent of a number?
Multiply it by 0.09.
How do you check a division problem?
Multiply the answer to the problem by the number that you are dividing by. (e.g. 18/2=9 Check it with 9*2=18)
You are thinking of a number you multiply it by 13 and subtract 209 you get the same answer if you multiply by 5 and subtract 9 what is your number?
Using algebra the number works out as 25
What is the number when you multiply 12345679 x 9 the number of digits in the answer that are ones?
There are nine ones in the answer. 12345679 × 9 = 111111111
What is Two number multiply to 9 and add to 7.5?
16.5
Which is the five figure number to which is multiply by nine and the answer is reverse of number?
10989 * 9 = 98901
