Scientist use microscopes to magnify very small objects so they can be seen with the human eye. if a microscope is set to magnification of 10,000 times the size of the object, how long is the actual sample of the cell if it appears to be .743 cm long?

a) 7.4 x 10^ -5
b) 7.43 x 10^ -5
c) 7.43 x 10^ -4
d) .743 x 10^ -5

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Ms. sutton recorded the word counts and scores of the top ten essays in a timed writing contest. the table shows her data. how does the word count of an essay relate to its score in the contest? word count tends to decrease as the score decreases. word count tends to increase as the score decreases. word count tends to remain constant as the score decreases. word count has no apparent relationship to the score of the essay.

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

Which of the following is the correct ratio for converting kilograms to grams