Here is a handy one-pager that can be printed and handed out to students as a part of a mini-lesson when introducing students to the powers of 10.
Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.
Powers of 10 activity
Image Credit:Shane T. McCoy