Decide whether or not each number is in scientific notation. Explain your reasoning.
a) 12.5 X 10^7 c) 0.43 X 10^6
b) 5.688 X 10^12 d) 4.5 X 5^6

Find the measure of the angle indicated in bold

Angie has saved 3/8 of the amount she needs to buy a bike. clive has saved 7/10 of the amount he needs to buy a skateboard. what is the difference between clive's and angie's fraction of savings?

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