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Dafna1 [17]
3 years ago
9

Can you please help me with this question (image)

Mathematics
1 answer:
rewona [7]3 years ago
6 0

A person's heart beats approximately 10⁵ times a day.

<em>10⁵ in figures is 100000 beats each </em><em>da</em><em>y.</em>

A person lives for approximately 81 years.

<em>So,</em><em> </em><em>now </em><em>take </em><em>your </em><em>answer </em><em>from </em><em>before </em><em>and </em><em>multiply </em><em>it </em><em>by </em><em>8</em><em>1</em><em>:</em><em> </em><em>1000</em><em>0</em><em>0</em><em> </em><em>×</em><em> </em><em>8</em><em>1</em><em> </em><em>=</em><em> </em><em>8</em><em>1</em><em>0</em><em>0</em><em>0</em><em>0</em><em>0</em><em>.</em>

<em>To </em><em>change </em><em>your </em><em>answer </em><em>to </em><em>standard </em><em>form</em><em>,</em><em> </em><em>you</em><em> </em><em>make </em><em>it </em><em>into </em><em>a </em><em>decimal </em><em>which </em><em>is </em><em>not </em><em>greater </em><em>than </em><em>9</em><em>,</em><em> </em><em>so,</em><em> </em><em>8</em><em>.</em><em>1</em><em> </em><em>×</em><em> </em><em>1</em><em>0</em><em>⁶</em>

<em><u>And </u></em><em><u>that </u></em><em><u>is </u></em><em><u>your </u></em><em><u>answer:</u></em><em><u> </u></em><em><u>8</u></em><em><u>.</u></em><em><u>1</u></em><em><u> </u></em><em><u>×</u></em><em><u> </u></em><em><u>1</u></em><em><u>0</u></em><em><u>⁶</u></em><em><u>.</u></em>

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