Express 0.00049386 in scientific notation.

Due to a freak snowstorm that lasted an entire week, students had a packet of 24 math worksheets to finish. by friday, peter had done 56 of the worksheets, tony had completed 11/12 and natasha had 21/24 finished. who had the most worksheets finished? the least? justify your answer by explaining how you were able to compare the fractions. there were 24 books on the summer reading list. susan has read 6 5 of the books on the list. tom has read 12 11 of the books on the list. vicky has read 24 21 of the books on the list. which list correctly compares the fractions of books on the summer reading list that susan, tom, and vicky have read?

Analyze and evaluate the motivation and the rationale behind western expansion through the louisiana purchase that took hold in the united states at the start of the 19th century (long essay question)

What is the term eccentricity a measure of?