Question

4x10-³ x10 elevado a menos 4 x10 elevado a 8 x10² ³
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4 x 10-³ x 10 elevado a 4 .(10²)³

Answer 1

4 x 10-³ x 10^-4 x 10^8 x (10²)³

4 x 10^(-3 -4 + 8 + 6) 
4 x 10^7