In scientific notation. choose the answer with the proper number of significant figures. (3x10^4)(4x10^23) a. 12^27 b. 12 x 10^27 c. 10 x 10^27 d. 1 x 10^28

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Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Aresearch study is done to find the average age of all u. s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample