Question

aʏʊɖaaaa քʟɨss ɛs քʀ ɦօʏ ​

Answer 1

Explicación paso a paso:

a)

$0.04 \times {10}^{4} + 386 \times {10}^{ - 3} \\ 0.4 \times {10}^{3} + 38.6 \times {10}^{ - 2} \\ 4 \times {10}^{2} + 3.86 \times {10}^{ - 1} \\ 40 \times 10 + 0.386 \\ 400 + 0.386 \\ 400.386$