Is there still a point to rationalizing denominators?
Yes.
One area where it is particularly useful is integration (in calculus).
How many zeros are there in 8.747 million?
1 million = 1,000,000
→ 8.747 million = 8.747 × 1,000,000 = 8,747,000
→ 8.747 million has 3 zeros.
What is 14.096 rounded to the nearest whole number?
14.096 rounded to the nearest whole number is 14. If the zero had been a 5 or more, the answer would be to round up to 15 as the nearest whole number. But it was less then 5, so remained at 14.
What are the symbols used in a set?
A set is a collection of number, letters or things denoted as {things}. for ex. {2,5,6} meaning that x is either 2, 5 or 6.
A = {1,4,5} U {1,2, 3} means A = {1,4,5,2,3} while
B = {1,2,3} ∩ {5, 2, 3} means B = { 2, 3}
Which of the numbers are solutions to the equation x2 equals 3?
If: x2 = 3
Then: x = square root of 3
How do you know which number is greater when one is positive and one negative?
You would figure out which number is bigger when there is a positive and a negitive number buy looking for the positive number. For example, when it says Which one is greater -9 or 9 you would chose +9 because -9 is below zero and +9 is above zero.
Is there any character or number which is placed in place of any number or character?
In many search facilities, it is the question mark (for a single unknown character) or asterisk (for one or more characters).
How do you minus binary numbers which have many zeros at the centre eg 1100010 - 1010111 equals?
89899
What is the times table of 17?
1 x 17 = 17
2 x 17 = 34
3 x 17 = 51
4 x 17 = 68
5 x 17 = 85
6 x 17 = 102
7 x 17 = 119
8 x 17 = 136
9 x 17 = 153
10 x 17 = 170
11 x 17 = 187
12 x 17 = 204
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