Quiz about เลขยกกำลัง

Question 1

$$5^4มีความหมายตรงกับข้อใด$$

Accepted Answer

$$5 imes5 imes5 imes5$$

Answer

$$5+5+5+5$$

Answer

$$5 imes4$$

Answer

$$4 imes4 imes4 imes4 imes4$$

Question 2

$$\left(-8 ight) imes\left(-8 ight) imes\left(-8 ight) imes\left(-8 ight)เขียนแทนด้วยจำนวนในข้อใด$$

Accepted Answer

$$\left(-8\right)^4$$

Answer

$$-8^4$$

Answer

$$8^4$$

Answer

$$-\left(-8\right)^4$$

Question 3

$$\frac{2}{3} imes\frac{2}{3} imes\frac{2}{3} imes\frac{2}{3} imes\frac{2}{3}\ \ เขียนแทนจำนวนใด$$

Accepted Answer

$$\left(\frac{2}{3}\right)^5$$

Answer

$$\frac{2^5}{3}$$

Answer

$$\left(\frac{2}{3} ight) imes5$$

Answer

$$\frac{2}{3^5}$$

Question 4

$$0.3 imes0.3 imes0.3 imes0.3\ แทนจำนวนใด$$

Accepted Answer

$$0.3^4$$

Answer

$$0.3 imes4$$

Answer

$$0.3+0.3+0.3+0.3$$

Answer

$$\frac{3^4}{10}$$

Question 5

$$\left(x+y ight) imes\left(x+y ight) imes\left(x+y ight) imes\left(x+y ight)\ มีค่าตรงกับข้อใด$$

Accepted Answer

$$\left(x+y\right)^4$$

Answer

$$\left(x+y ight) imes4$$

Answer

$$\left(x^4+y^4\right)^4$$

Answer

$$x^4+y^4$$

Question 6

$$-6 imes6 imes6 imes6 imes6\ เขียนแทนด้วยข้อใด$$

Accepted Answer

$$-6^5$$

Answer

$$\left(-6\right)^5$$

Answer

$$-6 imes5$$

Answer

$$6^5$$

Question 7

$$\left(ab\right)\cdot\left(ab\right)\cdot\left(ab\right)\cdot\left(ab\right)\cdot\left(ab\right)\cdot\left(ab\right)\ เขียนแทนจำนวนใด$$

Accepted Answer

$$\left(ab\right)^6$$

Answer

$$ab^6$$

Answer

$$\left(ab ight) imes6$$

Answer

$$\left(a^6b^6\right)^6$$

Question 8

$$มี9\ เป็นฐาน\ มี8\ เป็นเลขชี้กำลัง\ เขียนแทนด้วยข้อใด$$

Accepted Answer

$$9^8$$

Answer

$$8^9$$

Answer

$$3^{16}$$

Answer

$$2^{27}$$

Question 9

$$มีเลขชี้กำลังเป็น\ 10\ มีฐานเป็น\ 4\ เขียนเป็นเลขยกกำลังได้ตรงกับข้อใด$$

Accepted Answer

$$4^{10}$$

Answer

$$10^4$$

Answer

$$2^{20}$$

Answer

$$4 imes4 imes4 imes4 imes4 imes4 imes4 imes4 imes4 imes4$$

Question 10

$$\left(a^7\right)^{3\ }\ มีค่าตรงกับข้อใด$$

Accepted Answer

$$a^{21}$$

Answer

$$a^{10}$$

Answer

$$7a^3$$

Answer

$$3a^7$$

Question 11

$$8 imes16\ เขียนเป็นเลขยกกำลังตรงกับข้อใด$$

Accepted Answer

$$2^3 imes2^4$$

Answer

$$2^{12}$$

Answer

$$2^{10}$$

Answer

$$2^5$$

Question 12

$$2^6\ ตรงกับข้อใด$$

Accepted Answer

64

Answer

32

Answer

12

Answer

36

Question 13

$$-2^6\ ตรงกับข้อใด$$

Accepted Answer

-64

Answer

64

Answer

32

Answer

36

Question 14

$$\left(-2\right)^6\ ตรงกับข้อใด$$

Accepted Answer

64

Answer

32

Answer

12

Answer

36

Question 15

$$-\left(-2\right)^6\ ตรงกับข้อใด$$

Accepted Answer

-64

Answer

64

Answer

32

Answer

36

Question 16

$$\left(-7\right)^3ตรงกับข้อใด$$

Accepted Answer

-343

Answer

343

Answer

21

Answer

-21

Question 17

$$\left(\frac{-2}{3}\right)^5\ ตรงกับข้อใด$$

Accepted Answer

$$-\frac{32}{243}$$

Answer

$$\frac{32}{243}$$

Answer

$$\frac{10}{15}$$

Answer

$$\frac{-10}{15}$$

Question 18

$$-\left(\frac{2}{3}\right)^5\ ตรงกับข้อใด$$

Accepted Answer

$$-\frac{32}{243}$$

Answer

$$\frac{32}{243}$$

Answer

$$\frac{10}{15}$$

Answer

$$\frac{-10}{15}$$

Question 19

$$\left(0.2\right)^5ตรงกับข้อใด$$

Accepted Answer

0.00032

Answer

0.000032

Answer

0.0032

Answer

0.32

Question 20

$$\left(0.02\right)^5ตรงกับข้อใด$$

Accepted Answer

0.0000000032

Answer

0.000000032

Answer

0.00000032

Answer

0.0000032

Question 21

$$\left(0.002\right)^5\ ผลลัพธ์มีทศนิยมกี่ตำแหน่ง$$

Accepted Answer

15

Answer

12

Answer

8

Answer

20

Question 22

$$3^3+3^3+3^{3\ }\ \ ตรงกับข้อใด$$

Accepted Answer

$$3^4$$

Answer

$$3^9$$

Answer

$$3^6$$

Answer

$$4^3$$

Question 23

$$3^3 imes3^3 imes3^{3\ }\ \ ตรงกับข้อใด$$

Accepted Answer

$$3^9$$

Answer

$$3^4$$

Answer

$$3^6$$

Answer

$$4^3$$

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