Houghton Mifflin Harcourt Algebra 1, 2015
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Houghton Mifflin Harcourt Algebra 1, 2015 View details
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Exercise 6 Page 33

How many significant digits do each of the numbers have?

780 meters

Practice makes perfect

First let's solve the equation.

70.8*11
778.8
In order to round to the correct significant digits, we need to know the number of significant digits of each of the given measures. 70.8 &⇒ Three significant digits 11 &⇒ Two significant digits The least precise measure is 11, which has two significant digits. This means that we round to two significant digits. 778.8 m ⇒ 780 m