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AveGali [126]
2 years ago
13

Suppose you are asked to find the area of a rectangle that is 2. 1- cm wide by 5. 6- cm long. Your calculator answer would be 11

. 76 cm2. Now suppose you are asked to enter the answer to two significant figures. (note that if you do not round your answer to two significant figures, your answer will fall outside of the grading tolerance and be graded as incorrect. ).
SAT
1 answer:
netineya [11]2 years ago
6 0

The area of the rectangle expressed in two significant figures is 12 cm²

<h3>Data obtained from the question </h3>

•Width (W) = 2.1 cm

•Length (L) = 5.6 cm

•Area (A) =?

<h3>How to determine the area of the rectangle</h3>

The area of a rectangle can be obtained as follow:

Area (A) = Length (L) × Width (W)

A = L × W

With the above formula, we can obtain the area of the rectangle as follow:

A = L × W

A = 5.6 × 2.1

A = 11.76 cm²

A ≈ 12 cm² (two significant figures)

Thus, the area of the rectangle is approximately 12 cm²

Learn more about area of rectangle:

brainly.com/question/14383947

<h3 />

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The ratio of the amount of vitamin A in cow milk to the amount of vitamin A in goat milk is
miv72 [106K]

Answer:

2080 IU

Explanation:

Given

Ratio of vitamin A in cow milk to goat milk = 3 : 4

Required

Determine the content of vitamin A in goat milk if cow milk has 1560 IU

The given parameters shows a direct proportion.

Let G represents Goat and C represent Cow

Given that there exists a direct proportion;

C = K * G where K represents the constant of proportionality.

Solving for K when C = 3 and G = 4

C = K * G becomes

3 = K * 4

3 = 4K

Divide through by 4

¾ = K

K = ¾

Now, solving for G given that C = 1560IU;

We'll make use of the same formula as above

C = K * G

Substitute 1560 for C and ¾ for K; the expression becomes

1560 = ¾ * G

Multiply both sides by 4

4 * 1560 = 4 * ¾ * G

6240 = 3 * G

Multiply both sides by ⅓

⅓ * 6240 = ⅓ * 3 * G

2080 = G

G = 2080

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