Write $10$10 as an appropriate power of 10.
What number is $10^2$102?
Write $10000$10000 as an appropriate power of $10$10.
What number is $10^3$103?
Multiplication and division of decimal fractions
Laws of exponents (through observing patterns to arrive at generalisation.) (i) a^m .a^n = a^(m+n) (ii) (a^m)^n = a^mn (iii) a^m / a^n = a^ (m-n) where m - n a member of N