SPM2022 MATH HOUR (1)

A number P, when rounded to three significant figures is 13 000.

The possible value of P is

• 12 847

• 12 954

• 13 050

• 13 100

Round off 0.0093456 to three significant figures and subtract to 0.000814.

Zuhdi has 168 kg of sand. He used 60% of the sand to make a wall. The remaining sand is divided equally into 3 bags.

FInd the mass, in g, of the sand in each bag.

Which of the following is true?

Diagram 1 below shows a hexagon.

Find the value of z.

• 130

• 220

• 260

• 720

Diagram 4 shows two circles centered at P and Q.

The circle with center P has a radius of 4 cm while the circle with center Q has a radius of 2 cm.

Between points A, B, C and D, which is 4 cm from P and less than 2 cm from ?

• A

• B

• C

• D

• A

• B

• C

• D