I think its true , due to all whole numbers when turned into a fraction are put over one . for example 4 , can be turned into the fraction 4/1 . rational is a number that can be turned into a fraction .
Answer:
78.5714286 cm²
Step-by-step explanation:
The equation for the area of a circle is πr².
You can work out the radius (r) by halving the value of the diameter, which is given as 10cm.
You then square this, so 5² = 25.
Finally, multiply this by pi which is given to you as 22/7.
(22/7) x 25
3.14285714286 x 25 = 78.5714285714, to be exact.
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Answer:
Step-by-step explanation:
The given expression is:
Moving the expression to the other side in the fraction changes its sign to opposite. A numerator with negative exponent, when written in denominator will have the positive exponent. Using this rule, we can write:
The exponent 5 can be distributed to both numerator and denominator as shown:
The power of a power can be written as a product. i.e.
So, the expression similar to the given expression and with positive exponents is:
