
bài 5
Authored by Oanh Trần
Mathematics
6th Grade
Used 2+ times

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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Viết tích sau dưới dạng lũy thừa: 6 . 6 . 6 . 6 . 6
66
65
56
64
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn câu đúng.
am . an = am + n
a . a . a . a . a = 5a
am . an = am.n
a1 = 1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn câu sai. Cho lũy thừa: 25 thì
2 là cơ số
5 là số mũ
2 là số mũ
25 = 32
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Chọn câu sai. 38 được đọc là:
ba mũ tám
ba lũy thừa tám
lũy thừa bậc tám của ba
tám mũ ba
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Viết số 81 dưới dạng lũy thừa. Chọn câu sai.
34
92
811
29
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Viết tích 10 . 10 . 10 . 100 dưới dạng lũy thừa cơ số 10, ta được:
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Với a ≠ 0 và , ta có: am : an = ?
am : n
a
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