Quiz about BILANGAN BERPANGKAT &NOTASI ilmiah 8C

Question 1

$$2^{3^{ }}$$ artinya

Accepted Answer

2x2x2

Answer

3x3

Answer

2+2+2

Answer

3+3

Question 2

Di bawah ini yang bukan hasil perpangkatan tiga (bilangan kubik) adalah . . . .

Accepted Answer

9, 25, 36

Answer

8, 27, 64

Answer

8, 27, 125

Answer

8, 64, 125

Question 3

hitunglah!

Accepted Answer

58

Answer

52

Answer

56

Answer

516

Answer

5

Question 4

$$\left(\frac{6}{2}\right)^3$$

Accepted Answer

$$\frac{6^3}{2^3}$$

Answer

$$\frac{3^6}{3^2}$$

Answer

$$\frac{2^3}{2^6}$$

Answer

$$\left(6-2\right)^3$$

Question 5

$$5^{-2}$$

Accepted Answer

$$\frac{1}{25}$$

Answer

10

Answer

25

Answer

$$\frac{1}{32}$$

Question 6

Bentuk sederhana dari

$$3^{3\ } imes\ \left(3^2 ight)^3\ =\ .\ .\ .\ .$$

Accepted Answer

$$3^9$$

Answer

$$3^8$$

Answer

$$3^{18}$$

Answer

3

Question 7

bentuk sederhana dari

$$\frac{4x^6y^{12}}{12x^9y^{15}}\ =\ .\ .\ .\ .\ $$

Accepted Answer

$$\frac{1}{3x^3y^3}$$

Answer

$$3x^3y^3$$

Answer

$$\frac{1}{3}x^{3\ }y^3$$

Answer

$$x^3y^3$$

Question 8

$$Nilai\ dari\ \ :\ \ 2^7\ \div\ 2^4\ =\ ....$$

Accepted Answer

8

Answer

- 8

Answer

$$\frac{1}{8}$$

Answer

$$-\frac{1}{8}$$

Question 9

a²b³ x ab^-2 = ....

Accepted Answer

a3b

Answer

a2b

Answer

a3b-1

Answer

a2b-1

Question 10

a⁴b⁵ x a³b⁶ = ....

Accepted Answer

ab-1

Answer

ab

Answer

a-1b

Answer

(ab)-1

Question 11

Diketahui 3ⁿ = 729, maka nilai n yang tepat adalah ....

Accepted Answer

6

Answer

3

Answer

4

Answer

5

Question 12

Diketahui a⁵ = 1.024, maka nilai a yang tepat adalah ....

Accepted Answer

4

Answer

2

Answer

3

Answer

5

Question 13

Nilai x dari persamaan $$9^{\left(2x-3\right)}=1$$

Accepted Answer

$$\frac{3}{2}$$

Answer

$$\frac{2}{3}$$

Answer

0

Answer

3

Question 14

himpunan penyelesaian dari persamaan $$3^{2x-6}=81$$ adalah ...

Accepted Answer

$$Hp\ =\ \left\{5\right\}$$

Answer

$$Hp\ =\ \left\{\frac{9}{2}\right\}$$

Answer

$$Hp=\left\{\frac{2}{9}\right\}$$

Answer

$$Hp\ =\ \left\{\frac{2}{10}\right\}$$

Question 15

$$Bentuk\ desimal\ dari\ 8,4659×\left(10\right)^3adalah….$$

Accepted Answer

8.465,9

Answer

846,59

Answer

0,84659

Answer

0,0084659

Question 16

Bilangan Pokok Pada Peryataan tersebut adalah .....

Accepted Answer

3

Answer

4

Answer

3 x 3 3

Answer

3 x 3 x 3 x 3

Question 17

Sebuah akuarium berbentuk kubus dan mempunyai panjang rusuk 2 meter. Berapa milimeter volume akuarium tersebut?

Accepted Answer

$$8\ imes\ 10^3$$

Answer

$$8\ imes\ 10^2$$

Answer

$$6\ imes\ 10^3$$

Answer

$$6\ imes\ 10^2$$

Question 18

$$a^5=\cdot\cdot\cdot$$

Accepted Answer

$$a imes a imes a imes a imes a$$

Answer

$$a imes5$$

Answer

$$a imes5$$

Answer

5

Question 19

$$2^3 imes2^2\ =\ $$

Accepted Answer

$$2^5$$

Answer

$$2^3$$

Answer

$$2^4$$

Answer

$$2^2$$

Question 20

Sebuah bak penampung air hujan berbentuk kubus dengan volume $$27\ m^3$$ , maka panjang sisi bak tersebut adalah ...

Accepted Answer

3 m

Answer

4 m

Answer

5 m

Answer

6 m

Question 21

Ubah dalam bentuk pangkat positif $$4^{-5}\ =$$

Accepted Answer

$$\frac{1}{4^5}$$

Answer

$$\frac{1}{5^4}$$

Answer

$$\frac{1}{4^3}$$

Answer

$$\frac{5}{4^3}$$

Question 22

Nilai dari (-5)⁴ = -625

Accepted Answer

Salah

Answer

Benar

Question 23

a⁵ = ....

Accepted Answer

a x a x a x a x a

Answer

a + a + a + a + a

Answer

a + 5

Answer

5a

Question 24

Nilai dari -9²adalah ...

Accepted Answer

-81

Answer

18

Answer

81

Answer

-18

Question 25

Seorang petani memiliki sawah berbentuk persegi dengan panjang 15 meter. Maka luas dari sawah tersebut adalah ...

Accepted Answer

225 m

Answer

230 m

Answer

220 m

Answer

215 m

Question 26

Pernyataan berikut yang paling benar adalah ..

Accepted Answer

a²⁰ : a¹⁰ = a¹⁰

Answer

(5^3a) : (5^a) = 5^2a

Answer

24(a²) : 3(a²) = 2³

Answer

18(3^a) : 6(3^a) = 3(3)^a

Question 27

$$6^{-5}\div\ 6^{-2}\ =\ $$

Accepted Answer

$$6^{-3}$$

Answer

$$6^{-2}$$

Answer

$$6^3$$

Answer

$$6^2$$

Question 28

Bentuk baku dari 75234 adalah ...

Accepted Answer

$$7,5234\ x\ 10^4$$

Answer

$$7,5234\ x\ 10^3$$

Answer

$$7,5234\ x\ 10^5$$

Answer

$$7,5234\ x\ 10^6$$

Question 29

Bentuk baku atau notasi ilmiah dari 0,00879 adalah

Accepted Answer

$$8,79\ x\ 10^3$$

Answer

$$87,9\ x\ 10^3$$

Answer

$$8,79\ x\ 10^2$$

Answer

$$87,9\ x\ 10^2$$

Question 30

Ubalah kedalam bentuk akar $$a^{\frac{5}{2}}=..$$

Accepted Answer

$$\sqrt{a^5}=...$$

Answer

$$\sqrt{a^2}$$

Answer

$$\sqrt{a^3}$$

Answer

$$\frac{1}{\sqrt{a^3}}$$

Question 31

Bentuk sederhana dari $$\frac{5}{\sqrt{3}\ +\ \sqrt{2}}$$ adalah...

Accepted Answer

$$5\ \left(\sqrt{3}-\sqrt{2}\right)$$

Answer

$$\sqrt{3}\ -\ \sqrt{2}$$

Answer

$$\sqrt{3}+\sqrt{2}$$

Answer

$$5\left(\sqrt{3}+\sqrt{2}\right)$$

BILANGAN BERPANGKAT &NOTASI ilmiah 8C

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