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In this lesson, we will learn how to express numbers in scientific notation and to convert numbers between their standard and scientific forms.

Q1:

What is written in standard form?

Q2:

Write 782 million in scientific notation.

Q3:

An estimate for the height of Mount Everest is feet. Write this number in standard form.

Q4:

Express 25 in scientific notation.

Q5:

The population of the world is about 7 5 7 5 4 3 0 3 1 6 . Which of the following could be used as an estimate for this value?

Q6:

A terabyte is made of approximately bytes. Rewrite in standard form.

Q7:

The value of the services sector of the US economy in the first quarter of 2012 was $ 1 0 6 3 3 . 6 billion. Rewrite this amount in scientific notation.

Q8:

Express 3 × 3 0 0 in standard form.

Q9:

Approximately tons of pasta are consumed in America every year. Express this number in standard form.

Q10:

The ship Titanic that sank in the Atlantic had a mass of about 4 7 4 5 0 0 0 0 kg. Which of the following could be used as an estimate for this value?

Q11:

In the US, around 7 0 0 0 tons of worn out currency are shredded every year. Express this number in scientific notation.

Q12:

The length of an object is 7 mm. Express this length in metres, giving your answer in scientific form.

Q13:

In America, about 10 million dollars is spent every day on potato chips. Express this amount in scientific notation.

Q14:

Express 0 . 0 0 7 7 × 1 0 5 in standard form.

Q15:

An estimate for the population of London, United Kingdom, is 9 million. Write this number in scientific notation.

Q16:

Express in standard form.

Q17:

There are approximately 200 million cows in India. Express this number in standard form.

Q18:

Express 0.146 in scientific notation.

Q19:

The speed of light is approximately 3 0 0 0 0 0 0 0 0 m/s. Write this speed in scientific notation.

Q20:

Write 0.000853 in scientific notation.

Q21:

Express 0.00447 in scientific notation.

Q22:

An estimate for the number of eggs a queen termite can produce in a lifetime is . Write this number in standard form.

Q23:

Express 248 in scientific notation.

Q24:

The average distance between Earth and the sun is 92 960 000 mi. Rewrite this distance using standard form.

Q25:

What is 0.00007 written in standard form?

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