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2 years ago

Express your answer in scientific notation. 0.00045-2.5x10^-5

Mathematics

1 answer:

maw [93]2 years ago

8 0

Answer:

4.25 × 10^-4

Step-by-step explanation:

0.00045-2.5x10^-5

= (4.5 × 10^-4) - (0.25 × 10¹ × 10^-5)

= (4.5 × 10^-4) - (0.25 × 10^{1-5} )

= (4.5 × 10^-4) - (0.25 × 10^-4)

= (4.5 - 0.25) × 10^-4

= 4.25 × 10^-4

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Express your answer in scientific notation. 0.00045-2.5x10^-5​

Express your answer in scientific notation. 0.00045-2.5x10^-5