Question

simply this question plz
it's urgent​

Answer 1

Answer:

Step-by-step explanation:

2/3²–⁵ ÷ 2/3³—⁴

2/3‐³‐(‐¹)

2/3‐³+¹

2/3-²

Answer 2

Answer:

Four identical sized rods of different materials are sealed at the bottom of a vessel as shown in the figure. The same amount of wax is placed at the end of each of the rods. When the vessel is filled with boiling water, wax from which rod will melt the fastest