Mathematics, 29.10.2020 16:50, gottapass62

A healthy human heart beats about 1,533,000 times in a year. A sparrow's heart beats about 241,776,000 times in a year.

About how many times faster does the sparrow's heart beat compared to the human heart?

Estimate using a single digit times a power of 10.

2x108

or about 100 times faster

2x10

=1 x 102

0 2x10°

2x106

= 1 x 103

or about 1,000 times faster

2x108

2x105

=1 103

or about 1,000 times faster

2x109

2x105

=1 104

or about 10,000 times faster

Answers: 2

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A healthy human heart beats about 1,533,000 times in a year. A sparrow's heart beats about 241,776,...