if you have the following data about a box of screws, about how many screws are estimated to be in the box…
if you have the following data about a box of screws, about how many screws are estimated to be in the box? mass of screws + box = 1015 grams mass of 5 screws = 42 grams mass of box only = 91 grams how many screws are in the box? round your answer by using significant figures.
Answer
Explanation:
Step1: Find mass of screws
Subtract box - mass from total mass. $1015 - 91=924$ grams
Step2: Find mass of one screw
Divide mass of 5 screws by 5. $\frac{42}{5}=8.4$ grams
Step3: Calculate number of screws
Divide total mass of screws by mass of one screw. $\frac{924}{8.4}=110$
Answer:
110