Question

In a painting competition , Sourabh made a painting on a cardboard having length 81 cm and breadth 16 cm . (4) (i) Express the length in exponential form . (ii) Express the breadth in exponential form . (iii) Find the area of the cardboard on which the painting has been made. (iv) Express the area in exponential form having a single base .​

Answer 1

Answer:

$4 ^{2}$

${9}^{2}$