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jasenka [17]
3 years ago
8

Put the numbers in order from least to greatest.

Mathematics
1 answer:
koban [17]3 years ago
5 0

Answer:

0.5\times{10}^{-5},

0.00025,

3.5\times{10}^{-4},

1.45 \times {10}^{-3},

25.4 \times  {10}^{ - 4},

0.025,

1.25\times {10}^{-1},

0.025 \times10

Step-by-step explanation:

We can do it this way.

First, let us clear off the powers by multipying each number by

{10}^{5}

This implies that,

1.25 \times  {10}^{ - 1} = 1.25 \times  {10}^{ - 1} \times  {10}^{5}

\implies \: 1.25 \times  {10}^{ - 1}  = 125 \times  {10}^{ - 2} \times  {10}^{ - 1} \times {10}^{5}

\implies \: 1.25 \times  {10}^{ - 1}  =125 \times  {10}^{( - 2 - 1 + 5)}

\implies \: 1.25 \times  {10}^{ - 1}  =125 \times {10}^{2}= 125 \times 100 = 12500

0.00025 = 25 \times {10}^{ - 5} \times {10}^{5}

\implies0.00025 = 25 \times {10}^{ - 5 + 5} = 25

0.025 = 25 \times  {10}^{ - 3}=25 \times{10}^{ - 3}\times {10}^{5}

\implies0.025 = 25 \times  {10}^{ - 3}=25 \times{10}^{ - 3 + 5}

\implies0.025 = 25 \times  {10}^{ - 3}=25 \times{10}^{2} = 25 \times 100 = 2500

0.025 \times 10=25 \times  {10}^{ - 3} \times10 \times {10}^{5}

\implies0.025 \times10=25\times{10}^{(- 3 + 1 + 5)}=25\times{10}^{3}

\implies0.025\times10=25\times1000 = 25000

0.5\times {10}^{-5}=0.5\times {10}^{ - 5} \times  {10}^{5}

0.5\times{10}^{-5}=0.5\times {10}^{(- 5+5)}=0.5

1.45 \times {10}^{-3} = 145 \times  {10}^{ - 2} \times {10}^{ - 3} \times {10}^{5}

\implies1.45 \times {10}^{-3} = 145

25.4 \times  {10}^{ - 4} = 254 \times {10}^{-1} \times {10}^{ - 4}  \times  {10}^{5}

\implies25.4 \times {10}^ {-4} = 254

3.5 \times{10}^{-4}=35 \times {10}^{-1} \times  {10}^{ - 4} \times {10}^{5}

\implies3.5 \times{10}^{-4}=35

Arranging in order from the smallest, we have;

0.5,25,35,145,254,2500,12500,25000

Hence,

0.5\times{10}^{-5},

0.00025,

3.5\times{10}^{-4},

1.45 \times {10}^{-3},

25.4 \times  {10}^{ - 4},

0.025,

1.25\times {10}^{-1},

0.025 \times10

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