Quiz about สมบัติเลขยกกำลัง

Question 1

$$a^{-n}$$ = ?

Accepted Answer

$$\frac{1}{a^n}$$

Answer

$$\frac{1}{a^m}$$

Answer

$$\frac{1}{a^{-n}}$$

Answer

$$\frac{-1}{a^n}$$

Question 2

$$a^m imes a^n$$ = ?

Accepted Answer

$$a^{m+n}$$

Answer

$$a^{m imes n}$$

Answer

$$a^{m-n}$$

Answer

$$a^{n-m}$$

Question 3

$$a^m\div a^n$$ = ?

Accepted Answer

$$a^{m-n}$$

Answer

$$a^{m imes n}$$

Answer

$$a^{m+n}$$

Answer

$$a^{n-m}$$

Question 4

$$\left(a^m\right)^n$$ = ?

Accepted Answer

$$a^{m imes n}$$

Answer

$$a^{m+n}$$

Answer

$$a^{m-n}$$

Answer

$$a^{n-m}$$

Question 5

$$\left(\frac{a}{b}\right)^n$$ = ?

Accepted Answer

$$\frac{a^n}{b^n}$$

Answer

$$\frac{a^n}{b}$$

Answer

$$\frac{a}{b^n}$$

Answer

$$\frac{b^n}{a^n}$$

Question 6

(-5)(-5)(-5)(-5)(-5) = ?

Accepted Answer

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

Answer

$$5^5$$

Answer

$$\left(-5\right)^{-5}$$

Answer

$$5^{-5}$$

Question 7

$$a^{62} imes a^{218}$$ = ?

Accepted Answer

$$a^{280}$$

Answer

$$a^{-280}$$

Answer

$$a^{-156}$$

Answer

$$a^{156}$$

Question 8

$$\left(5x^2y^3z\right)^2$$ = ?

Accepted Answer

$$25x^4y^6z^2$$

Answer

$$5x^2y^3z$$

Answer

$$10x^4y^6z^2$$

Answer

$$5^2x^2y^6z$$

Question 9

$$\left(-1,000^0\right)^{-8}$$

Accepted Answer

1

Answer

1,000

Answer

0

Answer

-1,000

Question 10

$$\frac{100x^4y^6}{20x^2y^6}$$

Accepted Answer

$$5x^2$$

Answer

$$50x^2$$

Answer

$$50x^2y$$

Answer

$$5x^2y$$

Question 11

$$\left(4 imes5 ight)^2$$ = ?

Accepted Answer

400

Answer

275

Answer

350

Answer

525

Question 12

$$\frac{a^{-3} imes a^4 imes a^6}{a imes a^{-5}}$$ = ?

Accepted Answer

$$a^{11}$$

Answer

$$a$$

Answer

$$a^2$$

Answer

$$a^3$$

Question 13

$$\left(8\right)\left(2^5\right)\left(-2^4\right)$$ = ?

Accepted Answer

$$2^{12}$$

Answer

$$-2^{13}$$

Answer

$$2^{20}$$

Answer

$$2^{22}$$

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