Question

What number is represented by point P? State your answer in scientific notation

and in standard form.

Answer 1

• 5.7×10^-3
• 0.0057

Explanation:

Point P is marked in the expanded view on the 7th mark of the 10 marks between 5×10^-3 and 6×10^-3. That means it is representing ...

(5 +7/10)×10^-3 = 5.7×10^-3 . . . . scientific notation

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The -3 exponent of 10 means the multiplier of the value is 1 in the 3rd place to the right of the decimal point: 0.001. So, the standard form of the number is ...

5.7×0.001 = 0.0057 . . . . . standard form