Math Quiz

325+180.3 to the nearest 100 is 400

• true

• false

Answer explanation

300+200=500

Osama round 3.596 to the nearest 2 decimal places

his answer is 3.510

• true

• false

Answer explanation

the correct answer is 3.60 or 3.6

Which number has the same number of significant figures as 0.704

• 7.250

• 72000

• 148000

• 203400

Estimate the product of 3.1 x 8.7

• 24

• 26.97

• 27

• 32

Answer explanation

3 x 9 = 27

Estimate

• 137.7

• 140

• 137

• 150

Sometimes Navja uses an electronic weighing machine

(a) The machine gives the mass, p kg, of a parcel as 12.4 kg, correct to the nearest 1 kg.

Complete this statement about the value of p.

• 11.9 < P ≤ 12.9

• 11.9 ≤ P < 12.9

• 11.4 ≤ P < 13.4

• 11.4 < P ≤ 13.4

64 is ................ number

a. evevn

b. square

c. cube

d. odd

• a and b onle

• all the above

• a and c only

• a , b and c only

factorize 6x + 12 completely

• 2 ( x + 6 )

• 3 ( 2 x + 4 )

• 6 ( x + 2 )

• 12 ( 0.5 x + 1 )

Which value of x stratifies the equation 3 ( x - 1 ) = 2 x + 7

• 4

• 8

• 10

• -8

b × b × b × b

• b^4
• 4b
• b^2
• 4b^4