Gọi k là số lần nguyên phân
=> $2^k= 128$
=> $2^k= 2^7$
=> $k=7$
=> chọn C
Các bạn giúp mình trả lời với nhé. Mình cảm ơn nhiều ạ
Mn giải giúp mình vs ạ, mình cảm ơn
The Great Hanshin earthquake, or the Kobe earthquake as it is more commonly known overseas, was an earthquake in Japan that measured 7.3 on the Japan Meteorological Agency magnitude scale. It occurred on January 17th, 1995 at 5:46 a.m. in the southern part of Hyōgo Prefecture, and lasted for approximately 20 seconds. The epicenter of the earthquake was on the northern end of Awaji Island near Kobe, a cosmopolitan city of over 1.5 million people. A total of 6,434 people, mainly in the city of Kobe, lost their lives. Additionally, it caused approximately ten trillion yen in damage. It was the worst earthquake in Japan since the Great Kantō earthquake in 1923, which claimed 140,000 lives. 36. The word ‘overseas’ in the text is closest in meaning to __________. A.abroad B.at sea C.by sea D. foreign 37. The word ‘occurred’ in the text is closest in meaning to __________. A.ended B.happened C.started began 38. It is stated in the passage that the number of deaths in the city of Kobe __________. A. was greater than that of the Great Kantō earthquake B. was not as high as in the Great Kantō earthquake C. exceeded that of any known earthquake. D. It wasn’t the worst earthquake in Japan ever. 39. The northern end of Awaji Island was the place where __________. A. the effects of the earthquake were felt most strongly B. there was no damage to people and property C. 1.5 million people lost their lives. D. no foreign people live. 40. We understand from the passage that the Kobe earthquake __________. A. is internationally known as the Great Hanshin earthquake B. didn’t cause any damage in the neighborhood of Kobe C. is not the deadliest earthquake in the history of Japan D. didn’t have any effects on Japan. GIÚP EM VỚI Ạ, EM ĐANG CẦN GẤP
Tính hợp lý nếu có thể K = 20152015.2016 - 20162015.2015
Đặt một thanh thủy tinh lên trục quay sau khi đã được cọ xát bằng mảnh lụa. Đưa mảnh lụa lại gần đầu thanh thủy tinh được cọ xát thì chúng hút nhau. Biết rằng mảnh lụa cũng bị nhiễm điện, hỏi mảnh lụa mang điện tích dương hay điện tích âm? Tại sao?
Một động cơ có công suất 360 W , nâng thùng hàng 180kg chuyển động đều lên cao 12m. hỏi phải mất thời gian là bao nhiêu?
Bài 3 (1 điểm) Tính D=3/1.4+3/4.7+3/7.10+⋯+3/97.100
giúp bài 3 với giải chi tiết nhé
Fe2O3+H2SO4------>Fe2(SO4)3+h20 FeO+HCL--->FeCl2+H2O Fe2O3+H2--->Fe+H20 FexOy+CO--->Fe+CO2 ai giải nhận 50d
C=(-7) x 9/5 x 20 x -5/9 x 5/28
Loga.vn - Cộng Đồng Luyện Thi Trực Tuyến