Is 27/40 equal to 0.0675

Which statement is always true? a negative exponent cannot be part of an expression's numerator. a negative base raised to the power of 2 has a negative value. a negative base raised to the power of 2 has a positive value. any number to the first power is zero.

What is 32+4 x (16 x 1/2) -2 show your work}

Acircle has a circumference of 28.36 units what is the diameter of the circle