List the next three terms in the following sequence:

1, 2, 4, 7, 11,

also list the number that would be the twentieth number in the sequence.
a.23, 31, 40; 200b.23, 31, 40; 191c.22, 28, 35; 185d.22, 29, 37; 191

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?

Which is the standard form for this number? (4 x 1 100 ) + (8 x 1 1,000 ) + ( 3 x 1 100,000 ) ? a) 0.004803 b) 0.04803 c) 0.0483 d) 0.483