Step-by-step explanation:
In the expression a^n, for integer values of n greater than 1, there are n factors. For example, a^2 = a * 2 (2 factors), a^3 = a * a * a (3 factors), etc.
For a non-negative value of a, a^n is non-negative for all values of n.
If a is negative, and n is even, then a^n is non-negative.
If a is negative, and n is odd, then a^n is negative.
|a| is non-negative for all values of a.
sqrt_n(a^n) is negative for negative a and odd n, but |a| is always non-negative, so sqrtn(a^n) cannot equal |a| for odd n.
Answer:
B
The answer is B, which is -1.5.
Answer:
E
Step-by-step explanation:
Answer:
1, 26.5
Step-by-step explanation:
every hour the ship travels 26.5 miles
1. 50 + 20x = 240
2. 85% so more than 75%
3. 25.9% so about 26%
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