CTET 2 Math and Science Jul 2013 Paper

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Question : 59 of 120

Marks: +1, -0

One-half of

1.2×10^{30}

is

$6.0×10^{30 }$
$6.0×10^{29 }$
$0.6×5^{30 }$
$1.2×10^{15}$

Solution:

One half of

1.2×10^{30}

=\;\;{1.2×10^{30}}/{2}=0.6×10^{30}\;\text"or"\;6.0×10^{29}

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