how do you do number 9? was it worded incorrectly? 2. Recently University Safety

Question

how do you do number 9? was it worded incorrectly?

2. Recently University Safety Department changed Lab Safety Rule 2 for this quarter. What tW more safety glasses or goggles, should be used at all times in the laboratory? LaCOA es 3. Lab Safety: Rule 6 /If an accident does occur, no matter how minor it may seem, tell the structor) the accident at once. For question 4 8, Perfoms the operation an express your answer in scientifie notation with the correct number of signi figures. If there are units, make sure that the units of the answer are correct. 4. 1.56 moles/L 35 L LZ 0.125 + 5.4329 34.7895-6a 8
GHa 3Lt -02311 5. 6. 2.345/45.123 023 52 11.830517 . 12 donuts/dozen 5456 dozen- donut 7. doten 8. 1.9 lb - how many (hint 16 lb, 28.35 g1 0z) a 1.00 square miles how many m2? (hint: 1.609 km/mile) 10. Name & purpose? 11. Name & purpose? to nbld items yn

Explanation / Answer

9)

9)

Area = 1.00 miles^2

= 1.00 * (1.609 km)^2

= 2.589 Km^2

But 1 Km = 1000 m

so,

Area = 2.589 Km^2

= 2.589*(1000 m)^2

= 2.589*10^6 m^2

Answer: 2.589*10^6 m^2

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