-- Look at the two numbers.
-- Say to yourself: "Self ! 3.9 is close to 4, and 5.3 is close to 5.
So the product is going to be close to (4 x 5) = 20."
-- Then do the real multiplication.
-- On your paper or your calculator, you see the digits 2 0 6 7 .
-- From your estimate (20), you know that it can't possibly be
2.067 or 206.7 or 2,067. It must be 20.67 .
Answer:
a
Step-by-step explanation:
![\bigg(2x \bigg)^{ \frac{1}{3} } = \sqrt[3]{2x} \\](https://tex.z-dn.net/?f=%20%20%5Cbigg%282x%20%5Cbigg%29%5E%7B%20%5Cfrac%7B1%7D%7B3%7D%20%7D%20%20%20%3D%20%20%5Csqrt%5B3%5D%7B2x%7D%20%20%5C%5C%20)
We know, Length of Image = Length of Object * Dilation factor,
Just substitute your known values,
Length of Image = 9 * 2 = 18
In short, Your Answer would be 18 cm
Hope this helps!
