Karen Morrison and Nick Hamshaw Solutions for Exercise 14: Exercise 5.14

Using calculator find the value correct to $4$ significant figures.

${\left(4.23\times {10}^{-2}\right)}^3$

Using calculator find the value correct to $4$ significant figures.

$\left(3.2\times {10}^7\right)÷\left(7.2\times {10}^9\right)$

Using calculator find the value correct to $4$ significant figures.

${\left(3.2\times {10}^{-4}\right)}^2$

Using calculator find the value correct to $4$ significant figures.

$231\times \left(1.5\times {10}^{-6}\right)$

Using calculator find the value correct to  $4$ significant figures.

$\left(4.3\times {10}^5\right)+\left(2.3\times {10}^7\right)$

Using calculator find the value correct to  $4$ significant figures.

$\sqrt{3.24\times {10}^7}$

Using calculator find the value correct to $4$ significant figures.

$\sqrt[3]{4.2\times {10}^{-8}}$

Using calculator find the value correct to  $4$ significant figures.

$\sqrt[3]{4.126\times {10}^{-9}}$