1. ________________________________________________________POLIMAS/JMSK/B1009/Q/A1S1/JAN2010
DEPARTMENT OF MATHEMATICS, SCIENCE & COMPUTER
Politeknik Sultan Abdul Halim Mu’adzam Shah,
06000 Bandar Darulaman, Jitra, Kedah Darulaman.
Name
Registration No.
Programme
B1009 – MATHEMATICS
Assignment # 1
Duration : 1 week
Instruction : Answer all the questions.
QUESTION 1
Round off the following value correct to three significant figures.
Bundarkan nilai yang berikut betul sehingga tiga angka bererti.
i. 824010 iv. 500.42
ii. 0.000097 v. 0.002997
iii. 1.2273
(5 Marks/Markah)
QUESTION 2
Express the following value in standard form correct to three significant figures.
Tunjukkan nilai berikut dalam bentuk piawai betul sehingga tiga angka bererti.
i. 65273 iv. 0.00075 × 10 6
ii. 0.00941 v. 8017 × 35 × 10 −12
iii. 2386 × 10 4
(5 Marks/Markah)
QUESTION 3
Solve the following equation and give the answers in standard form.
Selesaikan yang berikut dan berikan jawapannya dalam bentuk piawai.
i. 56.31 × 10 7 + 78090000
ii. 394000 − 1.66 × 10 5
iii. (9.293 × 10 ) + (1.3 × 10 )
2 3
iv. ( 0.92 × 10 ) − ( 7.41 × 10 ) + ( 0.00653 × 10 )
−5 −6 −3
Page 1

2. ________________________________________________________POLIMAS/JMSK/B1009/Q/A1S1/JAN2010
v. 7.51 × 10 −2 + ( 9.03 × 10 3 ÷ 4.68 × 10 5 )
0.00032
vi.
18.65 × 10 −6
3.57 × 10 8
vii.
(1.4 × 10 ) −2 3
viii. 7.21 × 10 6 − 9.3 × 10 3 ÷ 2.51 × 10 −3
ix.
(8.2 × 10 )(9.6 × 10 )
−5 7
1.76 × 10 −4
x. ( 4 × 10 −3
− 4 × 10 −4 )
(35 Marks/Markah)
QUESTION 4
Solve the following problems.
Selesaikan yang berikut.
i. The bus fare is RM 6.50 for an adult and RM 2.85 for a child. If there are 13 adults and 7 children
in the bus, how much bus fare is collected? Give your answer in three significant figures.
ii. The diameter of a sphere is 12 cm. Calculate the volume, in cm3, of the sphere. Round off your
4 3
answer to three significant figures. (Given that the volume of sphere is πr )
3
iii. The density of chloroform is 2.9 g cm-3. Find the mass, in gram, of 25.8 cm3 of chloroform. Give
Mass
your answer in three significant figures. (Given that Density = )
Volume
iv. A rectangular floor has abreadth of 4 800 cm and a length of 6 000 cm. The floor will be covered
with tiles. Each tile is a square of side 40 cm. Calculate the number of tiles required to cover the
floor fully. State the answer in standard form.
v. The speed of comet is 7 × 10 4 km s-1. Find the time, in seconds, taken by the comet to travel
3.5 × 10 9 km. Give the answer in standard form.
vi. A pentagon has equal sides of 6.3 × 10 4 cm. Calculate the perimeter, in cm, of the pentagon.
Express the answer in standard form.
Page 2

3. ________________________________________________________POLIMAS/JMSK/B1009/Q/A1S1/JAN2010
(25 Marks/Markah)
QUESTION 5
By using factorization method, solve the following quadratic equations.
Dengan menggunakan kaedah pemfaktoran, selesaikan persamaan kuadratik yang berikut.
6
i. x−5 =
x
ii. 6x 2 + 2 = 7x
(10 Marks/Markah)
QUESTION 6
By using quadratic formula, solve the following quadratic equations.
Dengan menggunakan formula kuadratik, selesaikan persamaan kuadratik yang berikut.
i. 4x 2 + 3 = 9x
ii. 1 − x 2 − 5x = 0
(8 Marks/Markah)
QUESTION 7
Solve the following quadratic equations by using Completing the Square Method.
Selesaikan persamaan-persamaan kuadratik yang berikut dengan menggunakan Kaedah
Penyempurnaan Kuasa Dua .
i. 3x − x 2 + 5 = 0
ii. 3x 2 = x + 6
(12 Marks/Markah)
Page 3