3. 4 students measure the weight of a puppy. Which student made the most precise measurement? Which student made the least precise measurement? Denise Carlos Annie Skyler 3.4 kilograms 3 kilograms 3.391 kilograms 3.39 kilograms 4. Express each of these calculations to the proper number of significant figures 4.5 x 5.323 30 x 44 5.00 x 315 5.02 + 12.1 5 + 3.2 + 1.545 1437 + 9.021 4.23 x (4.22 + 11) (54 + 76) x (12.422 + 4.095)

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