Rewrite the following number in scientific notation.0.83 × 105
What will be an ideal response?
8.3 × 104
Mathematics
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Simplify the expressions. Make all exponents positive.(54)9
A. 536 B. 2536 C. 254 D. 513
Mathematics
Solve.6r + 10 = 52
A. 40 B. 36 C. 7 D. 1
Mathematics
Translate to an equation. Do not solve.What is 49% of 73?
A. n × 49% = 73 B. 49 = n × 73% C. n = 73% × 49 D. n = 49% × 73
Mathematics
Solve. Simplify the answer.Brian was training to run a marathon. During the three-day period before the race he decided that he would train for a total of 10 hours. If he trained for 2
hours on the first day and 2
hours on the second day, how many hours would he need to train on the third day?
A. 4
hr
B. 5
hr
C. 4
hr
D. 4
hr
Mathematics