Answer:
642.7
Step-by-step explanation:
<em>you add all of the numbers and get 6,427, then divide them by 10 since there are 10 numbers that you added and you have an average of 642.7</em>
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All the choices are correct.
_____
In our base-10 number system, moving a digit one place to the left multiplies its value by 10. Moving it one place to the right multiplies its value by 1/10.
You know already that 1,000 has 10 times the value of 100, and 1/10 the value of 10,000.
-(-4) = 4, so the opposite, if I understand what they mean, would be -4.
Answer:
4.8
Step-by-step explanation:
