Distance and displacement are 45 km
Answer:
A small bar of gold measures 40 mm by 25 mm by 2 mm. One cubic millimeter of gold weighs about 0.0005 ounce. Find the volume in cubic millimeters and the weight in ounces of this small bar of gold.
Answer + Step-by-step explanation:
let R be the set of farmers cultivating rice.
let W be the set of farmers cultivating wheat.
let n be the total number of farmers.
i) Check the attachment.
ii) Card R∪W = Card R + Card W - Card R∩W
Note : Card R denotes the number of farmers cultivating rice.




Card R∪W = Card R + Card W - Card R∩W



iiI) the number of farmers who are cultivating rice only :
