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# Explain how you would estimate to subtract 189 from 643?

Updated: 9/21/2023 Wiki User

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explain how you would estimate to subtrac 189 from 643 Wiki User

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## A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: Explain how you would estimate to subtract 189 from 643?
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640 - 190 = 450

400

400

### How would you estimate to subtract 189 from 643?

189 rounded up to the nearest 100 number would be 200; 200 subtracted from 643 = 443 , 200 - 189 454

1 and 2/189

### What are the factors of 189 when subtract it equal 7?

The factors of 189 are 1, 3, 7, 9, 21, 27, 63 and 189. None of them have a difference of 7. I suppose you could do 9 - 1 - 1, but that seems a little unfair.

### What was the date 27 weeks ago?

Today is Monday, May 19, 2014. If you subtract 27 weeks from today's date, or 189 days, the date would be Monday, November 11, 2013.

### What is the half of 189?

half would be around 94.

### What is the reduced fraction for 189 percent?

189% as a fraction would be 189/100. The factors of 189 are 1, 3, 7, 9, 21, 27, 63, and 189. None of these numbers can be divided into 100 equally.

### How Many Numbers Between 400 And 600 Are Divisible By 9?

The answer is 22. Start at the number 405, then every 9th number 594. Subtract 405 from 594 and you get 189. Then divide 189 by 9 and you get 21. Add the number 405. The answer you get is 22.

189