Correct 241.34(3 x 10\(^{-3}\))\(^2\) to 4 significant figures

Find the mean deviation of 1, 2, 3 and 4

Simplify and express in standard form \(\frac{0.00275 \times 0.00640}{0.025 \times 0.08}\)

Factorize completely 81a\(^4\) - 16b\(^4\)

Solve: 2\(^{√2x + 1}\) = 32