Explain where to place the decimal point in the product for the expression 0.5 × 0.03

Mathematics

2 answers:

djyliett [7]3 years ago

8 0

The Answer is 0.15, you count all the decimal points places and move that amount.

erica [24]3 years ago

3 0

The answer is
0.015
Because you have to times 5 and 3
And you will get 15
Then place the decimal

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Step-by-step explanation:

$\bold{METHOD\ 1}\\\\\begin{array}{ccc}15.12&-&p\%\\\\12&-&100\%\end{array}\qquad\text{cross multiply}\\\\\\12p=(15.12)(100)\\12p=1512\qquad\text{divide both sides by 12}\\p=126$

$\bold{METHOD\ 2}\\\\p\%=\dfrac{p}{100}\\\\p\%\ of\ 12\ is\ equal\ to\ 15.12:\\\\\dfrac{p}{100}\cdot12=15.12\\\\\dfrac{12p}{100}=15.12\qquad\text{multiply both sides by 100}\\\\12p=1512\qquad\text{divide both sides by 12}\\\\p=126$