Trong những phát biểu sau, có bao nhiêu phát biểu là mệnh đề? 1) Thời tiết hôm nay đẹp quá!

2) Thời tiết hôm nay đẹp.

3) Thời tiết hôm nay đẹp không?

4) Thời tiết hôm nay không đẹp.

126.66 m²

step-by-step explanation:

the pertinent area formula is a = πr², where r is the radius.

here, a = π(6.35 m)² = 40.32π, or approximately 126.66 m²

chemists are often responsible for designing a chemical reaction and analyzing the products obtained from it. one significant part of designing a chemical reaction is determining the amount of each reactant that is needed and the amount of each product that will be produced. in order to do so, chemists use stoichiometry, the quantitative relationships between reactants and products.

16 is the coefficient

hope this

the answer for this is 0.25 km. : )