Need help with $11$ and $12$

Consider the valuation of a common stock that paid $$5$ dividend at the end of the last year and is expected to pay a cash dividend in the future. Dividends are expected to grow at $8\%$ and the investors required rate of return is $10\%.$ Do we have $Di{v}_1$ or $Di{v}_0?$

What is the value of this common stock? $($Show your work.$)$

A company pays a $$3\mathrm{.}00$ dividend in year $4.$ The growth rate of dividends going forward will be $5\%.$ What are the future dividends in year $7$ and $10?$ Also find the dividend at the end of year $1?$ Write down these four dividends in order of magnitude. $($Show your work.$)$