SPM 20051.Round off 70615 correct to three significant

figures.A. 70600B. 70610C. 70620D. 70700

2. Express 7.564 X 10-6 as a single number.A. 0.0075604B. 0.000007564C. 0.00007564D. 0.0000007564

3.

0 .035000000

=

A. 6 X 103

B. 6 X 104

C. 6 X 10-8

D. 6 X 10-9

SPM 20061. Round off 50941 correct to three significant

figures.A. 509B. 510C. 50940D. 50900

2. Express 351000 in standard formA. 3.51 X 103

B. 3.51 X 105

C. 3.51 X 10-3

D. 3.51 X 10-5

3. 0.0000025 – 1.3 X 10-7 A. 1.2 X 10-6

B. 1.2 X 10-7

C. 2.37 X 10-6

D. 2.37 X 10-7

4. A rectangular floor has a width of 2400cm and a length of 3000cm. The floor will be covered with tiles. Each tile is a square of side 20cm. Calculate the number of tiles required to cover the floor fully.A. 1.8 X 104

B. 1.8 X 108

C. 3.6 X 104

D. 3.6 X 108

SPM 20071.Round off 30106 correct to three significant

figures.A. 30000

B. 30100C. 30110D. 30200

2.Express 1.205 X 104 as a single number.A. 1205B. 12050C. 1205000D. 12050000

3.0.0078 – 6 X 10-5

A. 1.83 X 10-3

B. 1.83 X 10-5

C. 7.74 X 10-3

D. 7.74 X 10-5

SPM 20081. Round off 0.6782 correct to two significant

figures.A. 0.60B. 0.67C. 0.68D. 0.70

2. Express 0.0000101 in standard formA. 1.01 X 10-6

B. 1.01 X 10-5

C. 1.01 X 105

D. 1.01 X 106

3. 3.1 X 1015 + 6.2 X 1014

A. 3.72 X 1014

B. 6.51 X 1014

C. 3.72 X 1015

D. 6.51 X 1015

4. Diagram 1 shows an empty tank, which is a cuboid, with length 800cm, width 500cm and height 300cm.

A worker fills up 80% of the tank with water. Calculate the volume, in cm3, of water in the tank.A. 1.2 X 106

B. 1.2 X 108

C. 9.6 X 107

D. 9.6 X 109

SPM 20091. Find the value of (2-0.296)¿ 30, and round off the

answer correct to two significant figures.A. 0.05

7

500cm

300cm

800cm

B. 0.06C. 0.056D. 0.057

2.Express 0.0000215 in standard formA. 2.15 X 10-5

B. 2.15 X 10-4

C. 2.15 X 104

D. 2.15 X 105

3.4.5 X 1015 + 5.1 X 1014

A. 9.60 X 1015

B. 5.01 X 1015

C. 9.60 X 1014

D. 5.01 X 1014

4.The thickness of a sheet of paper is approximately 9 X 10-3 mm. The height of a stack of this type of paper is 450mm. Estimate the number of sheets of papers in the stack.A. 5 X 103

B. 1 X 104

C. 5 X 104

D. 1 X 105

SPM 20101.Round off 2.037 correct to three significant figures.

A. 2.03B. 2.04C. 2.030D. 2.040

2.Given that 0.000000067 = m X 10n, where m X 10n is a number in standard form.A. m = 6.7, n = -8B. m = 6.7, n = 8C. m = 67, n = -9D. m = 67, n = 9

3.

0 .034

1.7×107=

A. 2 X 10-5

B. 2 X 10-6

C. 2 X 10-8

D. 2 X 10-9

4.The total population of Malaysia in the year 2000 is 23.27 million. It is given that the number of people who are 65 years of age and above is 3.9% of the total population. Calculate the number of people who are below 65 years of age.[1 million = 106]A. 1.42 X 105

B. 1.42 X 107

C. 2.24 X 105

D. 2.24 X 107

SPM 2011

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