The numbers are ten and fifteen (brainliest please)
- 300
- 59
- 4
- 78
ok so put it like that and it will be correct.............................................................................(long pause)........................................................................................................... (thinks) I think that the right answer.

This is because 
And 
For this reason, 
Positive indices mean we have to multiply the same number twice or thrice based on the value of the index. On the other hand, negative indices mean we have to divide by the same number twice or thrice based on the value of the index.
D. 1/2
We have 4 different suits and we want to know probability of getting a heart or diamond.
We have 2/4 or 1/2 or 50% chance to pick up a heart or diamond card.