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Directions: Find the following. Final answers should be in scientific notation with the correct
number of significant figures.
2.) (5.0<=>10^-8)(2.9<=>10^2)
3.) (3.25<=>10^4 + 7.4<=>10^3)​

Respuesta :

tramserran

Answer:  2) 1.45 × 10⁻⁵

               3) 3.99 × 10⁴

Step-by-step explanation:

  (5.0 x 10⁻⁸)(2.9 x 10²)

= (5.0)(2.9) x 10⁻⁸⁺²

=     14.5     x 10⁻⁶

=     1.45     x 10⁻⁵

 3.25 x 10⁴      ⇒      3.25 x 10⁴

+ 7.4  x  10³     ⇒     0.74 x 10⁴

                                  3.99 x 10⁴

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