2 years ago

Item 4

Mathematics

2 answers:

Paul [167]2 years ago

8 0

Answer:

8yd

Step-by-step explanation:

Olenka [21]2 years ago

6 0

Answer: 8?

Step-by-step explanation:

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Nelly owns farm land that has an area of 4.2 × 102 acres. Each year, the farm produces 6.72 × 104 bushels of corn. What is the a

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The average amount of corn produced per acre represented in scientific notation can be found using the below formula:

$The \;average\; amount\; of\; corn\; per\; acre=\frac{Bushels \; of\; corn\; produced\; in\; farm}{Area\; of\; farm\; in\; acres}$

We are given:

$Area \; of\; FARM\; land= 4.2 \times 10^2 \; acres\\ \\ Amount \; of\; corn\; produced=6.72\; \times \; 10^4 \; bushels$

Substituting the above information in the formula, we get...

$The \; Average\; amount\; of\; corn=\frac{6.72 \times 10^4}{4.2 \times 10^2} \\ \\ \frac{6.72}{4.2} \times \frac{10^4}{10^2}\; =\; 1.6 \times 10^{4-2}\; =\; 1.6 \times 10^2\\ \\$

Conclusion:

$The \; Average \; amount\; of \; corn \; is\; 1.6 \times 10^2 \; Bushes\; per\; corn$

The average amount of corn produced per acre represented in scientific notation is option B) $1.6 \times 10^2$ bushels per acre

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3 years ago

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In first half of a basketball game one team scored 45 points. This was 5/9 of their score for the whole game. How many points di

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Answer:

Step-by-step explanation:

45*(9/5)=81(The whole score)

81-45=36(the second half score)

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7. Ben's earnings for work he did from Monday through Saturday were: $78,

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Answer:Average daily pay =$90

Step-by-step explanation:

Step 1

Formulae

Average daily earnings = Total amount of earning from Monday through Saturday/ number of days

Step 2

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Tuesday $94

Wednesday $115

Thursday $108

Friday $67

Saturday $78

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Average daily pay= $540/6 ==$90

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I think that the answer is B

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3 years ago

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