Question

Let's express the following number in index form as power of 10 (taking 1,2 and
3 places of decimal)
i) 978 ii) 159217​

Answer 1

Answer:

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Answer 2

Given:

The two numbers to be expressed in index form = 978 and 159217

To find:

Express the given numbers in index form.

Solution:

i) 978

For one decimal place, the index form will be = 97.8×10

For two decimal places = 9.78×10²

For three decimal places = 0.978×10³

ii) 159217

For one decimal place = 15921.7×10

For two decimal places = 1592.17×10²

For three decimal places = 159.217×10³