Answer:
32.5
Step-by-step explanation:
<u><em>Mean = Sum of observations / Total number of observations</em></u>
Mean = 2+43+67+18 / 4
Mean = 130/4
Mean = 32.5
Answer:
Step-by-step explanation:
According to exponent rules, when we multiply two power with the same base we<u> </u><u>ADD</u> the exponents.

The sum of the first ten prime numbers is 129.
<h3>What is a prime number?</h3>
The prime numbers are those numbers that have only one factor namely 1 and the number itself.
The first 10 prime numbers are 2, 3, 5, 7, 11, 13, 17, 19, 23, and 29.
Their sum is
2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29
= 129
Hence, the sum of the first ten prime numbers is 129.
Learn more about prime numbers;
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The answer is -5,-7. Please mark this brainiest.
She would have 4 stamps left over because 250 times 6 equals 1,560.