NCERT Figure it Out 2 - Q12 - Power Play
Question: Worldwide sheep ~ 10^9 and goats ~ 10^9. Total population of sheep and goats? Options include 2^09, 10^11, 10^10, 10^18, 2 x 10^9, 10^9 + 10^9.
Answer: 2 x 10^9. This is numerically the same as option (vi), 10^9 + 10^9; option (v) is the simplified scientific-notation form.
Full step-by-step NCERT solution with diagrams on Something by Zero.