Pergunta

12. Which of the following lists are ordered from greatest to least? Select all the correct answers. A B 4.0times 10^-7, 2.0times 10^2, 3.0times 10^6, 5.0times 10^12 3.0times 10^7, 3.0times 10^6, 3.0times 10^2, 3.0times 10^-7 D 1.8times 10^9, 1.5times 10^5, 1.4times 10^-5, 1.9times 10^-8
Solução

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ReinaldoMestre · Tutor por 5 anos
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To determine which lists are ordered from greatest to least, we need to compare the values in each list.<br /><br />Let's analyze each option:<br /><br />A: $4.0\times 10^{-7},\quad 2.0\times 10^{2},\quad 3.0\times 10^{6},\quad 5.0\times 10^{12}$<br />- $4.0\times 10^{-7}$ is the smallest value.<br />- $2.0\times 10^{2}$ is larger than $4.0\times 10^{-7}$ but smaller than the other values.<br />- $3.0\times 10^{6}$ is larger than $2.0\times 10^{2}$ but smaller than $5.0\times 10^{12}$.<br />- $5.0\times 10^{12}$ is the largest value.<br /><br />B: $3.0\times 10^{7},\quad 3.0\times 10^{6},\quad 3.0\times 10^{2},\quad 3.0\times 10^{-7}$<br />- $3.0\times 10^{-7}$ is the smallest value.<br />- $3.0\times 10^{2}$ is larger than $3.0\times 10^{-7}$ but smaller than the other values.<br />- $3.0\times 10^{6}$ is larger than $3.0\times 10^{2}$ but smaller than $3.0\times 10^{7}$.<br />- $3.0\times 10^{7}$ is the largest value.<br /><br />D: $1.8\times 10^{9},\quad 1.5\times 10^{5},\quad 1.4\times 10^{-5},\quad 1.9\times 10^{-8}$<br />- $1.9\times 10^{-8}$ is the smallest value.<br />- $1.4\times 10^{-5}$ is larger than $1.9\times 10^{-8}$ but smaller than the other values.<br />- $1.5\times 10^{5}$ is larger than $1.4\times 10^{-5}$ but smaller than $1.8\times 10^{9}$.<br />- $1.8\times 10^{9}$ is the largest value.<br /><br />Based on the analysis, the correct answers are:<br />A<br />B<br />D
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