Consider selecting one card at a time from a 52-card deck. (note: there are 4 aces in a deck of cards) 6. if the card selection is without replacement, what is the probability that the first card is an ace and the second card is also an ace? (express the answer in simplest fraction form)

25) 56(1) = 5b a. identity property of addition b. identity property of multiplication c. commutative property of multiplication d. commutative property of addition

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

Without any equipment, you can see stars that are 2{,}800{,}0002,800,0002, comma, 800, comma, 000 light-years away. by looking through a small telescope, you can see stars that are 3{,}112{,}000{,}0003,112,000,0003, comma, 112, comma, 000, comma, 000 light-years away. approximately how many times as far can you see using a small telescope as without any equipment?