ủa sao hổng ai trả lời zãyyyyy

KHÓ WÁ

MÌNH NHẦM SÁCH GIÁO KHOA TOÁN NHÁ

QUYỂN NÀY NÈ

LẠI SAI TIẾP

mk trả lời, bài này mk học qua rồi, cả cách trình bày nữa

61:

8 = 2³; 16 = 4² hay 2⁴; 27 = 3³; 64 = 8² hay 2⁶;

81 = 9² hay 3⁴; 100 = 10² .

62: 10² = 100;

10³ = 1000;

10⁴ = 10000;

10⁵ = 100000;

10⁶ = 1000000;

b) 1000 = 10³ ;

1 000 000 = 10⁶ ;

1 tỉ = 1 000 000 000 = 10⁹ ;

1000…00 = 10¹² .

63:

a, Sai

b, Đúng

c, Sai

Giúp mình với

Cau 1:

Đkxđ: 2x-4\(\ge\)0

(ngoặc nhọn) 3-x> 0

khi và chỉ khi : x\(\ge\)2 và x<3

Khẳng định:

1.     I visited a new art exhibition last weekend.

2.     She completed her assignment before the deadline.

3.     They attended the concert and had a great time.

4.     We explored the ancient ruins during our vacation.

5.     He read a fascinating book about space exploration.

6.     The team won the championship last year.

7.     I cooked a delicious dinner for my family yesterday.

8.     She studied diligently for her final exams.

9.     They traveled to Paris and enjoyed the Eiffel Tower view.

10.     We organized a successful charity event in our community.

Phủ định:

1.     I didn't visit the museum as I had planned.

2.     She didn't finish reading the novel due to lack of time.

3.     They didn't participate in the volunteer project due to scheduling conflicts.

4.     We didn't get to see the sunrise during our camping trip.

5.     He didn't learn to play the piano despite his initial enthusiasm.

6.     The team didn't qualify for the playoffs this season.

7.     I didn't have time to bake cookies for the bake sale.

8.     She didn't practice speaking French regularly.

9.     They didn't have a chance to visit the famous art gallery.

10.   We didn't manage to fix the broken car before the road trip.