Answer:
7854 cm²
Step-by-step explanation:
3.14 x 50² = 7850
Answer:
40/21
Step-by-step explanation:
-4/7+(-4/3)
common factor is 21
=21/7×-4-21/3×4
=3×-4-7×4 all divided by 21
=-12-28 all divided by 21
=40/21
Answer:
Step-by-step explanation:
World's population that lives in China in percentage is 20%
