Author note — to cover

A negative integer index as the reciprocal of the positive power, e.g. 2 to the -3 is 1/8; why results are small, not negative; numeric bases only. Foundation and Higher both examine integer indices; fractional indices are Higher, on the later trio of pages. (N7)

Introduction

—coming soon—

Practice and continue

Practice

Negative indices

A negative index as a reciprocal, making a number small rather than negative.

Next lesson

Raising a power to a power

Multiplying the indices, and telling this apart from multiplying powers.