What is 11,900,000,000 written in scientific notation?

a.1.19×1010

b.11.9×1010

c.1.19×1011

d.11.9×1011

Asequence {an} is defined recursively, with a1 = 1, a2 = 2 and, for n > 2, an = an-1 an-2 . find the term a241. a) 0 b) 1 c) 2 d) 1 2

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?