Simplify - 0-005 - 102-5 - 10-1

The correct option is C 0 It's easy to subtract powers when we convert them into normal form. 0.005 ×10^2 = 0.5 (move the decimal point 2 places to the righ ...

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Standard VIII

Mathematics

Inter Conversion between Standard and Normal Forms

Simplify : 0....

Question

Simplify : $0.005 \times 10^{2} - 5 \times 10^{- 1}$

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0.5

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5.5

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Solution

The correct option is C
0

It's easy to subtract powers when we convert them into normal form.

$0.005 \times 10^{2} = 0.5$ (move the decimal point 2 places to the right)

$5 \times 10^{- 1} = 0.5$ (move the decimal point 1 place to the left)

$0.005 \times 10^{2} - 5 \times 10^{- 1} = 0.5 - 0.5 = 0$

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Simplify : 0.005×102−5×10−1

The correct option is C 0 It's easy to subtract powers when we convert them into normal form. 0.005×102=0.5 (move the decimal point 2 places to the right) 5×10−1=0.5 (move the decimal point 1 place to the left) 0.005×102−5×10−1=0.5−0.5=0

Simplify : $0.005 \times 10^{2} - 5 \times 10^{- 1}$