Grade 8A Mid Term Assessment Oct 2024

Simplify the expressions. Write the answer in index form.

a) 9⁴ ÷ 9⁷ =

b) (2²)³

• a = 9⁻³ and b = 2⁵

• a = 9⁻³ and b = 2⁶

• a = 9³ and b = 2⁵

• a = 9³ and b = 2⁶

Write each number as a fraction or as an integer.

a) 3⁻²

b) (10)⁰

c) 2²

d) 1/4⁻²

• a) 1/9, b) 10, c) 4, d) 4

• a) 1/3, b) 1, c) 4, d) 8

• a) 9, b) 1, c) 4, d) 1/16

• a) 1/9, b) 1, c) 4, d) 16

Work out.

a) 7.5 × 10⁻² =

b) 0.18 ÷ 10⁻³ =

• a) 0.075 , b) 180

• a) 0.75 , b) 180

• a) 7.5 , b) 1.8

• a) 0.75 , b) 18

The diameter of a human blood cell is about 7×10^-6 m.

Written as Ordinary form as ____________m

The distance from Earth to the Moon is 389400 km.

Written as Standard form as ____________k

Identify the decimal equivalent of the given fraction as terminating or recurring.

 

• Recurring

• Recurring

• Terminating

• Recurring

• Terminating

Write expression as a single number.

3² + 3⁰ + 3^-3

Mathematical Equivalence

ON

Simplify the expressions. Write the answer in index form.

Rearrange the formula to make “x” the subject.

y = 3x + c

Mathematical Equivalence

ON

Make ;x' the subject of formula.

Mathematical Equivalence

ON