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Try the different numbers - there are only 11 after all - and multiply their digits. Or analyze the factors of the number 21.
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∙ 13y ago
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What is the product mathematics of 70 and 80?
it is 21?
How do estimate the product of 68 and 21?
Estimating the product of 68 and 21 . . . It is easy in your head to think that this product would be close to 70 times 20. Again, in your head, you can figure that product to be 1400.
What multiple of 70 between 0 and 630 has 9 as one of its digits?
The number is 490.
What two numbers have a sum of 100 and a product of 21 times the sum?
30 and 70 Check: 30+70 = 100 and 30*70 = 2100
What are the factors 21 and 70?
The factors of 21 are 1,3,7, and 21. The factors of 70 are 1,2,5,7,14,35, and 70.
What are the common factors of 21 and 70?
The factors of 21 are 1,3,7, and 21. The factors of 70 are 1,2,5,7,14,35, and 70 The common factors of 21 and 70 are 1 and 7.
If Emily has an even number between 70 and 85 the sum of the digits is an even number less than 10 what is?
80
What is the product of 40 and 70?
The product of 70 and 40 = 70 x 40 = 2800.
21 is 70 of what number?
21 is 70% of 30.
How do you work out 70 percent of 21?
70% of 21 is 70 hundredths of 21. One hundredth of 21 is 0.21 (1/100 x 21 = 0.21) So 70 hundredths is 70 times as much. That's 0.21 x 70 = 1470
How do you write 70 as a product of prime factors?
70 is the product of (7)(2)(5)=70.
How many 3 digits number between 100 and 1000 are there in which can the tens digits is greater than the 1st digit?
80 + 70 + 60 + 50 + 40 + 30 + 20 +10 = 360
