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Yanka [14]
3 years ago
11

Directions: Find the following. Final answers should be in scientific notation with the correct

Mathematics
1 answer:
ella [17]3 years ago
3 0

Answer:  2) 1.45 × 10⁻⁵

               3) 3.99 × 10⁴

<u>Step-by-step explanation:</u>

  (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

+<u> 7.4  x  10³ </u>     ⇒     <u> 0.74 x 10⁴</u>

                                  3.99 x 10⁴

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