a) 10 ² x 10 ³
= 10 x 10 x 10 x 10 x 10 x 10
= 10 ⁵
10 ² x 10 ⁻⁵
= 10 x 10 x 1 /10 ⁵
= 10 ⁻³
10 x 10 = 100 = 10 ²
10 ⁻³ x 10 = 1 /10 ³ x 10 = 0.001 x 10 = 10 ⁻²
10 ⁻² x 10 ⁻⁴ = 1 /10² x 1 /10 ⁴ 1/100 x 1 /10 000 = 1 / 1000 000 = 10 ⁻⁶
10 ⁰ x 10 ² = 1 x 100 = 10 ²
10 x 10 x 10 x 10 x 10 = 10 ⁵
10 x 10 x 1 = 10 ²