In the parts that follow select whether the number presented in statement A is g

Question

In the parts that follow select whether the number presented in statement A is greater than, less than, or equal to the number presented in statement B. Be sure to follow all of the rules concerning significant figures.
Statement A: 2.567 km, to two significant figures.
Statement B: 2.567 km, to three significant figures
so, statement A is ........... statement B

Statement A: (2.567 km+ 3.146 km), to two significant figures.
Statement B: (2.567 km, to two significant figures) + (3.146 km, to two significant figures).
so, statement A is .............statement B

Explanation / Answer

(I) A = 2.6 B = 2.57 so A is greater than B (II) 2.567 + 3.146 = 5.713 = 5.7 to two significant figures 2.6 + 3.1 = 5.7 so they are equal

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