$989.001 + 1.00982 \times 76.792 = ?$

$337.62 + 8.591 + 34.4 = ?$

Find the value of the following expression up to four places of decimals:
$\left[1+\frac{1}{1 \times 2}+\frac{1}{1 \times 2 \times 4}+\frac{1}{1 \times 2 \times 4 \times 8}+\frac{1}{1 \times 2 \times 4 \times 8 \times 16}\right]$

$0.002 \times 0.5 = ?$

If $3x + 7 = x^2 + P = 7x + 5$,what is the value of $P$?

What will come in the place of the question mark $(?)$ in the following equation?
$(0.64)^{4} \div (0.512)^{3} \times (0.8)^{4} = (0.8)^{?+3}$