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11-05-2021
Mathematics

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(a) Write 7.2 x 10-3 as an ordinary number.

(b) Write 71500000 as a number in standard form.

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11-05-2021

Answer:

(a) 0.0072

(b) 7.15 x 10^7

Step-by-step explanation:

Numbers less than 1 have a negative exponent

- those greater than 1 have a positive exponent.

The first part of standard form has values between 0 and 10.

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