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choose the number below that is the least precise:
a. 7.849 b. 547.24 c. 98.75 d. 124.1

Write the sentence as an equation. b increased by 281 is d

An energy drink company claims that its product increases students' memory levels. to support its claims, the company issues advertisements claiming that 8 out of 10 people (chosen randomly from across the country) who tried their product reported improved memory. the missing component in this study is a .

Type the correct answer in each box. spell all the words correctly, and use numerals instead of words for numbers. if necessary, use / for the fraction bar(s).