Mathematics, 25.11.2019 21:31 psychocatgirl1

Rama is stringing beads whose lengths are each 0.19 inches. how can rounding be used to estimate the length of a row of 9 beads?
since the beads are about 0.20 inches, the length of a row of 9 beads will be approximately 9 + 0.20 = 9.20 inches.
since the beads are about 0.10 inches, the length of a row of 9 beads will be approximately 9 + 0.10 = 9.10 inches.
since the beads are about 0.10 inches, the length of a row of 9 beads will be approximately 9 × 0.10 = 0.80 inches.
since the beads are about 0.20 inches, the length of a row of 9 beads will be approximately 9 × 0.20 = 1.80 inches.

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