52 years old, its just simple addition haha
the number of cards in my friends stack is 20 total cards
Answer:
D.
a1=7an=−3 · an−1a subscript 1 baseline equals 7 line break a subscript n baseline equals negative 3 times a subscript n minus 1 baseline
Step-by-step explanation:
Answer:
15,729 =
Step-by-step explanation:
(1 x 104) + (5 x 103) + (7 x 102) + (2 x 101) + (9 x 100) or
(1 x 10000) + (5 x 1000) + (7 x 100) + (2 x 10) + (9 x 1) or
Fifteen thousand, seven hundred twenty-nine
