Question

Plz help me i have to sleep and i should submit mam is very very strict this is for 20 points... plz say if u send photo it will be good...

Answer 1

Answer:

78740 is the answer. ...

Answer 2

Answer:

relative density = density of given thing/density of water

so, here

let density of iron =x

and density of iron =100

so,

x/1000=7.874

x=7874

so, density of iron =7874