I need help please

I need help with this packet please. I had someone helping me but they wont get back to me and I need it done now. I have all the pages and everything right here for you. Please show your work.

(15 points) 1. Every measurement has a certain amount of uncertainty. Please show all your
work or explain your reasoning.
Density is mathematically found by taking the mass of an object and dividing it by the volume of
the object.
Our object is a yellow minion toy from the movie “Despicable Me.” Using an equal arm
balance, the mass is found to be 124.5g. The uncertainty of the equal arm balance is 0.3g.
a. What is the best estimate of the mass of the toy?
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b. What is the highest possible mass?
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C. What is the lowest possible mass?
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Now it is time to find volume. You are given the uncertainty of the graduated cylinder is 0.4mL.
The initial water level in the graduated cylinder is 34.1ml. The toy is placed in the water. The
50. ML
water level rises to 58.2mL. Every measurement has uncertainty.
d. What is the best estimate of the initial water level?
34,1 mL
e.
What is the highest the initial water level could be?
f. What is the lowest the initial water level could be?
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1. What is the lowest volume of the object could be?
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(10 points) 2. There are two popular kinds of plastic. Plastic type 1has a density of 5.8g/ml,
Plastic type 2 has a density of 5.0g/mL. Can you tell what kind of plastic the minion is made of?
Use the claim, evidence, reasoning model as a guide for your response. (It may be helpful to
support your response with a diagram, such as a number line.)
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(10 points) 2. Sometimes operational definitions are written in alternative ways that look “short”
below, determine whether or not that definition is operational. In each case, explain the reasoning
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3. Some students are measuring distances travelled by a bunch of ants in a single ten-second interval
after giving them varying amounts of caffeine. They are using a ruler with a measurement uncertainty
of 1mm.
Caffeine input
1.0 mg
B 2.0 mg
C 5.0 mg
Distance traveled
9.8 cm
9.9 cm
10.0 cm
The students’ lab book asks the following question: “Does the distance traveled by these ants definitely
depend on the caffeine input, or possibly depend on the caffeine input, or is there no significant effect?”
1. Study the data and come up with a response to this question. Use the claim, evidence,
reasoning model as a guide for your response. (It may be helpful to support your response with
a diagram, such as a number line.)
2. Would you make a changes in your caffeine consumption based on your CER from above? Why
or why not, explain using your CER?