Iris found a value of 1 64
when she evaluated an expression.

Which could have been the expression Iris evaluated? Check all that apply.
2-6
6-4
4-3
(one-half) Superscript negative 5
(one-fourth) Superscript negative 3

Simplify the expression. enter the correct answer.

The production line where you work can assemble 5 appliers every 30 minutes at this rate how long should it take the line to assemble 125 amplifiers

(a) calculate the molarity of a solution that contains 0.0345 mol nh4cl in 400 ml of solution. (b) how many moles of hno3 are present in 35.0 ml of a 2.20 m solution of nitric acid? (c) how many milliliters of 1.50 m koh solution are needed to supply 0.125 mil of koh ?