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Q: Which strategy can be used to multiply 6 198 mentally?

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198 = (200 - 2) so use 6*200 - 6*2

It is : 22 times 9 = 198

3.96 To find 2% of 198, multiply 198 by 2% in decimal form, or .02. 198 x .02 = 3.96

45 is the only one.

33 and 6

There are infinitely many pairs. An easy pair to remember is 1 and 198.

To convert from percent to a decimal, divide by 100. therefore 77% = .77 multiply by 198 = 152.46

Multiply per 1,000.

396

To convert 1.98 to percent multiply by 100: 1.98 × 100 = 198 %

198

To subtract 33 percent of a number, multiply that number by 1 - (33/100) = 0.67. In this instance, 0.67 x 198 = 132.66. Therefore, 33 percent off 198 is equal to 132.66.

198. An easy way to think of it is 10 x 18, + 18. It can be solved mentally in 5 seconds.

Multiply by 14 then divide by 100. 14x198=2772 2772/100=27.72

Prime factor each one. 70= 2x5x7 198=2x3x3x11 Multiply the common factors that appear the most it appears in either number. 2x3x3x5x7x11=6930

You have to multiply the two dimensions to get the area. In this case the answer will be 198 square feet.

Multiply 900 by .22. .22 is 22% of 1.00, simple. The answer would be 198

40 percent off 198 dollars = $118.840% off of $198= 40% discount applied to $198= $198 - (40% * $198)= $198 - (0.40 * $198)= $198 - $79.2= $118.8

30% of 198= 30% * 198= 0.3 * 198= 59.4

25% of 198= 25% * 198= 0.25 * 198= 49.5

198 itself, 198*2 = 396, 198*3 = 594, 198*4 = 792 etc

198.

198

198 written in fraction = 198/1

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