What expression is equivalent to 2^-3/2^-5?
1 answer:
2^2 , or 4
since the exponents have the same base, we can subtract the exponent of the numerator by the exponent in the denominator.
So 2^-3 - 2^-5 = 2^(-3-(-5)) = 2^2
The new exponent is 2 because -3-(-5) is equal to 2.
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Basically you need to multiply the percent by the number.
There are 25 in the class
If there are 26 students and 16 are men then that means that there are 10 women.
Answer:
< B = 180-30-65=85°
< E = 85°
< D = 30°
< C = 65°
BC = 20/35 × 28 = 16
