Answer:
1.46
Step-by-step explanation:
First find the the mean score before he made a 90.
Now add the score of 90 and calculate.
Subtract the two scores.
His mean test score increased by 1.46.
A company produces 4.56 times 10 Superscript 3 light bulbs each week. Written in scientific notation, which is the best estimate
2 answers:
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