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What is a trick for multiplying by the 12s?
First, multiply the original number by 10. Then multiply the original number by 2. Add the two answers that you got and you have just multiplied by 12. For Example: 7x12=(7x10)+(7x2) 70+14 84
What two number multiply to equal -210 and add to equal 11?
The numbers are: 21 and -10
Which two number add up to -10 multiply to 10?
0
100 times 100?
Apart from using a calculator, specifically if you multiply a whole number by a power of 10:* To multiply a whole number by 10, add a zero to the whole number. * To multiply a whole number by 100, add two zeros to the whole number. * Etc.
What two number multiply together to equal -140 and add together to equal 4?
-136
Which two number add up to -10 multiply to 10?
0
What two number can you add to get negitave 12 and multiply to get 20?
32
What is a trick for multiplying by the 12s?
First, multiply the original number by 10. Then multiply the original number by 2. Add the two answers that you got and you have just multiplied by 12. For Example: 7x12=(7x10)+(7x2) 70+14 84
What two number multiply to equal -210 and add to equal 11?
The numbers are: 21 and -10
100 times 100?
Apart from using a calculator, specifically if you multiply a whole number by a power of 10:* To multiply a whole number by 10, add a zero to the whole number. * To multiply a whole number by 100, add two zeros to the whole number. * Etc.
How do you multiply a three-digit number by a two-digit number?
Multiply the three-digit number by the one's digit, or last digit, of the two-digit number. That is your first part. Now multiply by the second-to-last digit, or ten's digit, and multiply the result by 10. That is your second part. Add the two parts and that is your answer.
How can you multiply a number by 10?
to multiply a number by 10, all you have to do is add zeros at the end of the number. Below are examples: 10*1=10 10*10=100 10*100=1000
What two number multiply together to equal -140 and add together to equal 4?
-136
What numbers multiply to 24 and add to -10?
14
What two numbers multiply to 24 and add to 10?
34
What number multiply to -40 and add to 6?
-34
What two numbers multiply to be 300 and add to be -40?
260
