The number of thousands of bacteria in a culture afer n hours is 2^n+3
(a) find the initial number of thousands of bacteria.
(b) after n hours, the bacteria are divided into 2^n-1 groups. find the number of thousands of bacteria in each group.

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!

Use your knowledge of the binary number system to write each binary number as a decimal number. a) 1001 base 2= base 10 b) 1101 base 2 = base 10