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VARVARA [1.3K]
3 years ago
5

Please help!!!!!!!!!

Advanced Placement (AP)
1 answer:
sweet-ann [11.9K]3 years ago
4 0
(the period of time after which half of a given sample will have decayed) is about 5,730 years, the oldest dates that can be reliably measured by this process date to around 50,000 years ago, although special preparation methods occasionally permit accurate analysis of older samples.
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A 100 square mile area of national forest is how many acres ? how many hectares?
KengaRu [80]

Based on the calculations, the area of national forest is equal to 64,000 acres and 25,600 hectares respectively.

<h3>How to calculate the area of a square?</h3>

Mathematically, the area of a square can be calculated by using this formula;

A = x²

<u>Where:</u>

  • A is the area of a square.
  • x is the side length of a square.

<h3>What is measurement?</h3>

Measurement refers to a process through which the dimensions, size (weight), or other physical quantities of magnitude that are associated with an object or land is taken, especially for use in a scientific research and experiment such as direct comparison.

<h3>How to convert the units?</h3>

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Cross-multiplying, we have:

X acres = 640 × 100

X acres = 64,000 acres.

For the area in hectares, we have:

1 hectare = 2.5 acres

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Cross-multiplying, we have:

2.5X acres = 64,000 acres

X = 64,000/2.5

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Read more on area of square here: brainly.com/question/8902873

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