Quiz about ULANGKAJI BAB 2: BENTUK PIAWAI

Question 1

2. Cari nilai $$\frac{2640}{0.8 imes10^{-6}}$$ dan ungkapkan jawapan dalam bentuk piawai.

Accepted Answer

$$3.3 imes10^9$$

Answer

$$3.3 imes10^8$$

Answer

$$3.3 imes10^{10}$$

Answer

$$3.3 imes10^{11}$$

Question 2

3. Antara nombor berikut, yang manakah diungkapkan dalam bentuk piawai dengan betul?

Accepted Answer

$$3200000=3.2\ imes10^6$$

Answer

$$0.0032=3.2\ imes10^{-2}$$

Answer

$$0.0032=3.2\ imes10^{-4}$$

Answer

$$3200000=3.2\ imes10^7$$

Question 3

4. Bundarkan 5.0268 betul kepada tiga angka bererti.

Accepted Answer

5.03

Answer

5.028

Answer

5.027

Answer

5.030

Question 4

5. Bundarkan 6170.56 betul kepada empat angka bererti

Accepted Answer

6171

Answer

6170

Answer

6175

Answer

6180

Question 5

6. $$0.00024-9 imes10^{-6}=$$

Accepted Answer

$$2.31 imes10^{-4}$$

Answer

$$1.5 imes10^{-4}$$

Answer

$$1.5 imes10^{-6}$$

Answer

$$2.31 imes10^{-6}$$

Question 6

7. $$\frac{48\ 000}{0.004}=$$

Accepted Answer

$$1.2 imes10^7$$

Answer

$$0.12 imes10^7$$

Answer

$$1.2 imes10^6$$

Answer

$$1.2 imes10^5$$

Question 7

8. $$\frac{5.6 imes10^7}{\left(4 imes10^{-2} ight)^2}=$$

Accepted Answer

$$3.5 imes10^{10}$$

Answer

$$1.4 imes10^{10}$$

Answer

$$1.4 imes10^{11}$$

Answer

$$3.5 imes10^9$$

Question 8

9. Bundarkan 15.0849 betul kepada tiga angka bererti.

Accepted Answer

15.1

Answer

15.0

Answer

15.08

Answer

15.09

Question 9

11. 72.5 dalam bentuk piawai adalah

Accepted Answer

$$7.25 imes10^{ }$$

Answer

$$72.5 imes10^3$$

Answer

$$7.25 imes10^2$$

Answer

$$7.25 imes10^3$$

Question 10

12. 3.638 x 10⁵ditulis dalam nombor tunggal sebagai

Accepted Answer

363 800

Answer

3638

Answer

36 380

Answer

3 638 000

Question 11

14 . Hitung 5.274 x 10⁶- 3.58 x 10⁵ dan berikan jawapan betul kepada 3 angka bererti

Accepted Answer

4.92 x 10⁶

Answer

1.69 x 10⁶

Answer

4.91 x 10⁶

Answer

1.70 x 10⁶

Question 12

15 . Ringkaskan 6.4 x 10⁵- 9.5 x 10⁴

Accepted Answer

5.45 x 10⁵

Answer

3.1 x 10⁵

Answer

5.45 x 10⁴

Answer

3.1 x 10⁴

Question 13

16 . Yang manakah satu nombor yang berikut bernilai sama dengan 3.6 x 10^-3

Accepted Answer

0.036 x 10^-1

Answer

0.036

Answer

(0.036 x 10 ) ^-2

Answer

0.36 x 10^-4

Question 14

17 . Sebuah bilik darjah mempunyai ukuran 760cm x 1 200cm. Cari luas bilik darjah dalam m^2,dan berikan jawapan anda dalam bentuk piawai.

Accepted Answer

9.12 x 10

Answer

0.912

Answer

9.12 x 10²

Answer

9.12 x 10⁵

Question 15

18 . Ringkaskan 1.2 x 10⁶x 25 x 10^-2 dalam bentuk piawai

Accepted Answer

3 x 105

Answer

30 x 104

Answer

300 x 10 ³

Answer

0.3 x 10 ⁶

Question 16

19 . Tukarkan 12.48 nanometer kepada meter

Accepted Answer

1.248 x 10^-8

Answer

1.248 x 10^-11

Answer

1.248 x 10^-9

Answer

1.248 x 10^-10

Question 17

$$20\ .\ \ \left(4 imes10^{10} ight)\div\left(2 imes10^5 ight)=$$

Accepted Answer

$$2 imes10^5$$

Answer

$$2 imes10^{-5}$$

Answer

$$3 imes10^5$$

Answer

$$20 imes10^5$$

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