Question

a team of scientists surveyed the trees in a national forest. they counted 2,000 trees. 45% of the trees they counted were evergreen. how many evergreen trees did the scientists count?

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Explanation:

Step1: Convert percentage to decimal

To find 45% of 2000, first convert 45% to a decimal by dividing by 100. So, \( 45\% = \frac{45}{100} = 0.45 \).

Step2: Multiply by total number of trees

Now, multiply this decimal by the total number of trees (2000) to find the number of evergreen trees. The formula is \( \text{Number of evergreen trees} = 0.45 \times 2000 \). Calculating this, \( 0.45 \times 2000 = 900 \).

Answer:

900