Question

0.045×10⁻³ in scientific notation is
a) 4.5×10⁻⁶
b) 4.5×10⁻⁵
c) 4.5×10⁻⁴
d) 4.5ₓ10⁻¹

Answer 1

D is the answer of this q

Answer 2

Answer:

b)$4.5 \times 10 {}^{ - 5}$

Step-by-step explanation:

$0.045 \times {10}^{ - 3}$

$4.5 \times {10}^{ - 2} \times {10}^{ - 3}$

$4.5 \times {10}^{( (- 2) + (- 3)) }$

$4.5 \times {10}^{ - 5}$

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