Question

pls ans this ques very important i cant understand​

Answer 1

Answer:

you can expand 7.3 into 70/10 +3/10 now use (a+b)^2 formula.(70/10 +3/10)^2=4900/100+9/100+42/10=49+.09+4.2=53.29

Answer 2

7+1000.3.000=555 hope it helps mark me brainliest pls