Q. 115 G5.0( 3 Votes )

Express each of the following in standard form:

Express 2 years in seconds.

Answer :

Given that,2 years = 2 × 365 days ( 1 year = 365 days)


= 2 × 365 × 24 ( 1 day = 24 hours)


= 2 × 365 × 24 × 60 min ( 1 hr = 60 min)


= 2 × 365 × 24 × 60 × 60 s ( 1 min = 60 s)


= 63072000 s


Standard form = 63072 × 10 × 10 × 10


= 63072 × 103


= 6.3072 × 104 × 103


Using the law of exponent,


= 6.3072 × 107 s


The standard form is 6.3072 × 107 s


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