Worksheetsเลขยกกำลัง ม.2/6
Total questions: 15
Worksheet time: 9mins
Name
Class
Date
1.
22×25 = ?
a)
27
b)
210
c)
23
d)
25
2.
310 × 35 = ?
a)
350
b)
315
c)
310
d)
35
3.
72× 75 × 75 = ?
a)
710
b)
750
c)
712
d)
725
4.
-136 × -135 = ?
a)
-1311
b)
1330
c)
-1330
d)
1311
5.
(-a)8 × (-a)8 = ?
a)
-a16
b)
a16
c)
(-a)64
d)
-a64
6.
(-b)2 × (-b)8 × (-b)10 = ?
a)
(-b)20
b)
b21
c)
-b21
d)
-b20
7.
a2b4 × ab5 = ?
a)
a2b9
b)
a2b20
c)
a3b9
d)
a6b5
8.
-76 × -75 = ?
a)
-711
b)
711
c)
(-7)11
d)
730
9.
an หมายถึงข้อใด
a)
a x a x a x ... x a (n ตัว)
b)
a + a + a + ... + a (n ตัว)
c)
n x n x n x ... x n (a ตัว)
d)
n + n + n + ... + n (a ตัว)
10.
(a3)4 หมายถึงข้อใด
a)
a3 x a3 x a3 x a3 x a3
b)
a3 x a3 x a3 x a3
c)
a4 x a4 x a4
d)
a4 x a4 x a4 x a4
11.
210 + 210 = ?
a)
220
b)
221
c)
410
d)
4100
12.
315 + 315 + 315 = ?
a)
315
b)
316
c)
345
d)
3155
13.
3 x 210 + 5 x 210 = ?
a)
610 + 1010
b)
213
c)
8 x 220
d)
223
14.
10 x 78 - 3 x 78 = ?
a)
78
b)
708 - 218
c)
79
d)
716
15.
(-2)15 / 23 = ?
a)
(-2)12
b)
-212
c)
212
d)
(-2)5
100 %
