Question

About 230 million litres of water flows through a river every day. Write your answer in the standard notation.

Answer 1

Answer:

In standard form of a number we put decimal after first digit and remaining power is written as power of 10

Water flows through a river in each day=

230 bollion=230000000000=2.3×10

11

litre

There are 7 days in a week.

So, Water flowing through the river in a week =7×2.3×10

11

=16.1×10

11

=1.61×10

12

L

There are 365 days in a year

So, Water flows through the river in a year =2.3×10

11

×365

=839.5×10

11

=8.395×10

13

L.

Step-by-step explanation:

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