Powers, Roots & Standard Form (Cambridge (CIE) IGCSE Maths: Core): Exam Questions

i) Write  as an ordinary number.

[1]

ii) Calculate
Give your answer in standard form.

[2]

Find the value of

i)

[1]

ii)

[1]

Write the number 0.0605 in standard form.

Calculate 

Give your answer in standard form.

Write 45000 in standard form.

Write as an ordinary number.

[1]

i) Write down the reciprocal of 15.

[1]

ii) Write down the value of .

[1]

iii) Write 0.015 in standard form.

[1]

Find the value of

Find the value of

5^-4

i) Write  as an ordinary number.

[1]

ii) Calculate
Give your answer in standard form.

[2]

Find the value of

i)

[1]

ii)

[1]

iii) 7⁰

[1]

Find the value of .

i) Write  as an ordinary number.

[1]

ii) Write 75000 in standard form.

[1]

iii) Calculate  

Write your answer in standard form.

[2]

Find the value of when 

...........................

The average distance from Earth to Mars is  km.
A space ship travels from Earth to Mars at an average speed of  km/h.

Find how long, in hours, the journey takes.

.............................. hours

Find the value of  when  .

....................... 

Mercury is 58 000 000 km from the sun.

Jupiter is 7.22×10⁸ km further from the sun than Mercury.

Earth is 1.5×10⁸ km from the sun. 

Find how many times further from the sun Jupiter is, than Earth.