#1) The largest living creature on Earth is the blue whale, which has an average
ID: 1705360 • Letter: #
Question
#1) The largest living creature on Earth is the blue whale, which has an average length of 70 ft. The largest blue whale on record (and therefore the largest animal ever found) was 1.10 102 ft long. (Give the answer using Significant Figures)If a double-decker London bus is 7.4 m long, how many double-decker-bus lengths is the record whale?
__?______ bus lengths
#2) Samantha is 1.17 m tall on her eleventh birthday and 1.28 m tall on her twelfth birthday. By what factor has her height increased? (Use Significant Figures)
Explanation / Answer
Length of blue whale = 1.10 x 102 ft= 110 ft=33.528 m
Length of double decker bus= 7.4 m
no. of buses = 33.58/7.4= 4.538 buses
b) Increase = 1.28 - 1.17 = 0.11
% increase =0.11/1.17= 0.094 or 9.4 % approx
Factor= 1.28/1.17=1.094 approx
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