Standard Form by Boxed Rockets

Convert these numbers between standard form and normal numbers

2.99 \times 10^{6}

2990000

7.05 \times 10^{5}

705000

6.5 \times 10^{- 4}

0.00065

4520

4.52 \times 10^{3}

4780000

4.78 \times 10^{6}

0.000285

2.85 \times 10^{- 4}