.The possible outcomes for rolling one six-sided die are shown below. Molly rolled a six-sided die 20 times. The numbers she rol
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<em><u>The three equivalent numerical expressions are:</u></em>
<em><u>Solution:</u></em>
We have to write three numerical expressions that are equivalent to (0.0004) . (0.005)
<em><u>Given expression is:</u></em>
(0.0004) . (0.005)
<em><u>First numerical expression:</u></em>
We know that 0.0004 can be written in fraction as:
Similarly,
Therefore,
<em><u>Second numerical expression:</u></em>
The first numerical expression can be simplified to get second numerical expression
<em><u>Third numerical expression:</u></em>
The given expression can be expressed in scientific notation:
<em><u>Steps for converting to scientific notation:</u></em>
Move the decimal point in your number until there is only one non-zero digit to the left of the decimal point. The resulting decimal number is a.
Count how many places you moved the decimal point. This number is b.
If you moved the decimal to the left b is positive.
If you moved the decimal to the right b is negative.
If you did not need to move the decimal b = 0.
Write your scientific notation number as a x 10^b and read it as "a times 10 to the power of b."
Remove trailing 0's only if they were originally to the left of the decimal point.
Therefore, third equivalent numerical expression is:
Let x be unknown number. If number x is multiplied by and the product is equal to
then
To find x you should divide by
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