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➷ [tex](4.3\cdot10-3)(2\cdot 10-2)[/tex]
➷ [tex]= (43 - 3)((2) (10) -2)[/tex]
➷ [tex]= 40 ((2) (10)-2)[/tex]
➷ [tex]= 40(20 - 2)[/tex]
➷ [tex]= (40)(18)[/tex]
➷ [tex]= 720[/tex]
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Given expression:
(4.3 x [tex]10^{-3}[/tex]) (2 x [tex]10^{-2}[/tex])
Solving this equation,
(4.3 x [tex]10^{-3}[/tex]) (2 x [tex]10^{-2}[/tex]) = 4.3 x [tex]10^{-3}[/tex] x 2 x [tex]10^{-2}[/tex]
= (4.3 x 2) x 10⁻³ x 10⁻²
= 8.6 x 10⁻³ ⁺⁽⁻²⁾
= 8.6 x 10⁻⁵
The solution of this problem is 8.6 x 10⁻⁵