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# What is the lower bound to 2d.p of 4.43?

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## Related Questions

###### Asked in Math and Arithmetic, Numbers , Irrational Numbers

### How do i write all real numbers in an inequality?

You cannot list them: unless the inequality is trivial, since
there are infinitely many real numbers in any range. You need
to
identify the lower bound;
determine whether or not the lower bound is included (<=) or
excluded (<);
identify the upper bound;
determine whether or not the lower bound is included (>=) or
excluded (<);
And then write the answer as lower bound [< or <=] x [>
or >=] upper bound, where x represents you variable.

###### Asked in Computer Programming

### Write an algorithm for quick sort?

Given an array, A, and the lower and upper bounds of a subarray
within the array, sort the subarray:
1. If lower bound is not less than upper bound then exit. The
subarray is sorted.
2. Pick a pivot value from the subarray at random
3. Swap the pivot value with the value located in the upper
bound
4. Let left = lower bound
5. Let right = upper bound
6. Repeat while left<right
{
6.1. Increment left while left value is less than pivot
value
6.2 Decrement right while right value is not less than pivot
value
6.3. If left<right, swap left value with right value
}
7. Swap left value with upper bound value (the pivot)
8. Repeat algorithm using the current lower bound and left-1 as
the upper bound
9. Repeat algorithm using the current upper bound and left+1 as
the lower bound