ความหมายของเลขยกกำลัง
Quiz
•
Mathematics
•
6th Grade
•
Practice Problem
•
Medium
Ananya Thongthip
Used 5+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
ak หมายถึงข้อใด
a x a x a x … x a จำนวน k ตัว
a + a + a + … + a จำนวน a ตัว
k x k x k x … x k จำนวน a ตัว
b + b + b + … + b จำนวน k ตัว
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
เลขยกกำลัง 53 หมายถึงข้อใด
4 x 4 x 4 x 4
3 x 3 x 3 x 3 x 3
4 x 4 x 4
5 x 5 x 5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
เลขยกกำลัง (-3)4 หมายถึงข้อใด
(-3) x (-3) x (-3) x (-3) x (-3)
(-5) x (-5)
4 x 4 x 4 x 4 x 4
(-3) x (-3) x (-3) x (-3)
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
ข้อใดต่อไปนี้ไม่ถูกต้อง
52 อ่านว่า ห้ายกกำลังสอง
(0.3)3 อ่านว่า ศูนย์จุดสามทั้งหมดยกกำลังสาม
-42 อ่านว่า กำลังสองของลบสี่
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
ข้อใดต่อไปนี้ไม่ถูกต้อง
-32 ฐานคือ 3 เลขชี้กำลังคือ 2
(0.5)3 ฐานคือ -0.5 เลขชี้กำลังคือ 3
92 ฐานคือ 9 เลขชี้กำลังคือ 2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
ข้อใดต่อไปนี้ถูกต้อง
(0.2)4 = (0.2) x (0.2) x (0.2)
-23 = -2 x -2 x -2
(-3)2 = (-3) x (-3)
(-2)3 = -(2 x 2 x 2)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
43 มีค่าเท่ากับข้อใด
4
12
16
64
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