Answer:
A. 1. 6min. 2. 30min.
B. 1. Sandra 2. 2 and 1/4
Step-by-step explanation:
B. 2 and 1/4 < 4 and 2/4-1/2 (Sandra)
4 and 2/4 - 1 and 1/4 = 2 and 1/2
Answer:
scientific notation:
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the
10
10
. The sign of the exponent will depend on the direction you are moving the decimal.
5×10−1
Step-by-step explanation:
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