Multiply & Divide Scientific Notation

CONCEPTS

Multiply / divide terms

• Group common terms

• (a x 10⁶) * (b x 10³) = (a*b) x 10⁽⁶⁺³⁾ = ab x 10⁹

EXAMPLES

• a x 10³ + b x 10³ = (a + b) x 10³

PRACTICE PROBLEMS

Question 2 Multiply 5.2 x 10³ * 4.7 x 10²

-- Answer -- 24.44 * 10⁴

5.2 * 10³ * 4.7 * 10⁴ = 24.44 * 10⁴

Question 2 Divide 5.2 x 10⁴ / 4.7 x 10²

-- Answer -- x

Divide 5.2 / 4.7 * 10⁴ / 10² = 1.1 * 10²

Question 3 What is 4% of 1.36 x 10⁴

-- Answer -- 5.44 * 10²

0.04 * 1.36 x 10⁴ = 4 * 10-² * 1.36 x 10⁴ = 5.44 * 10²

ACT PRACTICE PROBLEMS

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