# algebra

posted by
**SoccerStar**
.

^ = exponent

**show work please

A sheet of 67-pound paper has a thickness of 100^-1 inch.

a. write and evaluate an expression for the total thickness of 5 sheets of 67-pound paper

b. write and evaluate an expression for the total thickness of 2^3 sheets of 67-pound paper.

I've been looking at this problem for a half hour now and i cannot figure it out... please help!!!