chỉ làm câu 3 nha ! nhanh nha ! cần gấp !

Mọi ngừoi cố gắng giúp mình nhé

So sánh các số mũ sau: a)199 mũ 20 và 2003 mũ 15 b)3 mũ 39 và 11 mũ 21 c)2 mũ 91 và 5 mũ Các bạn giải hộ mik nhé,Thanks

Câu này hơi khó ạ nên mọi người giúp đỡ em câu này với

Viết bài văn trình bày cảm nhận của em về bài ca dao chủ đề về tình cảm gia đình mà em thích. (k chép mạng) mn giúp e vs ạ

Giúp mik với ạ đang cần gấp nên mấy bạn chỉ cần ghi kết quả thôi ko cần giải thích cảm ơn ạ (Ảnh ở dưới)

Lm giúp em giới hạn đo và độ chia nhỏ nhất Vote 5 sao

Viết PTHH hoàn thành sơ đồphản ứng sau:a)S )1(SO2)2(Na2SO3)3(SO2)4(H2SO3)5(K2SO3)6(K2SO4b)CaO )1(Ca(OH)2)2(CaCO3)3(CaO )4(CaCl2 giúp tớ vs :<

Staff nghĩa là nhân viên, mang nghĩa nhiều người + V số nhiều Vậy staffs có nghĩa gì khác ạ, và vẫn + V số nhiều đúng ko ạ

Exercise 1 ( ON STRUCTURES) : Choose the best answer. 1. We _______ a campaign to fight world hunger. A. launched B. sent C. jumped D. lost 2. We used to be friendly _______ some people who worked at the Swedish Embassy. A. on B. about C. of D. with 3. The school sees its job as preparing students to _______ a contribution to society. A. bring B. show C. make D. say 4. As a move towards _______ green I’ve recently stopped providing plastic bags for my customers. A. going B. thinking C. breaking D. setting 5. We haven’t got any sugar, I used _______ the last of it when I made a cake. A. from B. out of C. down D. up 6. I can’t wait to _______ rid of that ugly old couch. A. grow B. get C. follow D. catch 7. I’ve been meaning _______ see that new movie everyone is talking about. A. to B. at C. by D. through 8. Researchers may be unaware _______ their uncritical acceptance of categories and consequent results. A. up B. as C. of D. in 9. He was economical with the truth. In other _______ he lied. A. names B. comments C. words D. news 10. "Mental handicap" should be replaced _______ the broader concept of "learning difficulties". A. with B. about C. through D. around 11. _______ conclusion, I would like to say how much I have enjoyed myself today. A. In B. From C. Upon D. Onto 12. Mr. Warshaw, who specialises exclusively in conservation work says the _______ benefits are both financial and aesthetic. A. near B. straight C. open D. immediate 13. The car slowed _______ when they saw the police. A. up B. behind C. next D. down 14. Drunken drivers _______ a serious threat to other road users. A. pose B. sit C. play D. create 15. Dinosaurs died _______ millions of years ago. A. of B. through C. out D. by 16. Whole villages have been ______ by the floods. A. turned down B. wiped out C. urged on D. lit up 17. When Fran moved to China, she struggled to adapt _______ her new surroundings. A. about B. from C. to D. with 18. I resent it that my job is starting to _______ on my family life. A. eat B. break C. carry D. encroach 19. Sets out an _______ plan, with practical advice on managing changing demand at the neighbourhood level. A. action B. acting C. active D. actinium 20. People should _______ green lifestyle to help conserve the natural resources. A. adopt B. adapt C. adjoin D. adjust 21. New sites for _______ disposal will be determined to have regard to environmental matters. A. bare B. remaining C. waste D. fallow