You get a positive number which is larger than the original.
It increases.
It increases.
It can increase, decrease or stay the same depending on what you multiply it by.
It depends. If you start with a positive number, then multiply by a positive greater than one and the answer is greater; multiply by 1 and the answer is the same; multiply by a number between 0 and 1 and the answer is smaller; multiply by 0 and the answer is 0; multiply by a number less than 0 and the answer is negative.
It decreases.
Wgat happens whe you multiply and positive number by a rational number between 0 and 1?
You get another number whose magnitude will be greater than the original number. Whether it is bigger or smaller will depend on whether the whole number was positive or negative.
The number is still positive, but the range is positive infinity.
nothing it will always be positive.
Your number increases.
If you multiply your number by any number greater than 1, the result will be greater than the starting number - assuming your number is positive. If your number is negative, you need to multiply it by any number less than 1, to get a result that is greater than the original number. To get a number that is slightly greater, multiply by a number that is slightly greater than 1 (ot slightly lee than= -1).