N1C8TNp15

Answers to Problem 15:

A. 2.03 x 10⁵

DEFINITIONS:

compose or decompose numbers: flexibly using or knowing numbers through creating and breaking numbers apart to form equivalent representations. Grade 8 should include scientific notation. For example, 36 can be thought of as 32 + 4, 20 + 16, 40 – 4, 12 X 3, 2² x 3² , 3.6 x 10¹ etc.[1] Added Note: Decomposing numbers means rewriting a number as the sum, product or difference of other numbers. Composing numbers means putting together numbers that are represented as a sum or product in order to obtain a single number.

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[1] National Council of Teachers of Mathematics. (2000). Principles and standards for school mathematics (p. 149).