Question

pls give answers for these questions
leave q2,5,6 pls give rest q answers

Answer 1

2.  998 $Kg/m^{3}$

5.Sink because it relative ensity is 8/7 which is greater than 1

6.E=Pt=1500*10=15000

  E=4400*3.5=15400

So oven will cost more.