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While running errands, Tim drove the following distances: 1.3 km to the post office, 3.87 km to the grocery store, 4.0 km to the laundromat, and 2.15 km home. Using the rules for significant digits, which
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While running errands, Tim drove the following distances: 1.3 km to the post office, 3.87 km to the grocery store, 4.0 km to the laundromat, and 2.15 km home. Using the rules for significant digits, which of the following is the correct total distance travelled?A. 10 kmB. 11 kmC. 11.3 kmD. 11.32 km

User Josh Marcus
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We will have the following:


1.3\operatorname{km}+3.87\operatorname{km}+4.0\operatorname{km}+2.15\operatorname{km}=11.32\operatorname{km}\approx11\operatorname{km}

User Jon Mountjoy
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