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Simplify 3(2.416* 10^ 2)
2.1*10^16
8.25%
$800
7.248* 10 ^2
4.37* 10 ^ -7
63 students
20%
.000153
There are 400 students in Zack's school. 21% of the students are enrolled in choir. Of these, 75 are enrolled in band. How many students are enrolled in both choir and band?
2.1*10^16
8.25%
$800
7.248* 10 ^2
4.37* 10 ^ -7
63 students
20%
.000153
Max's parents bought a new car that cost $18,575 before taxes. They paid $1,532.44 in sales tax. What is the sales tax rate?
2.1*10^16
8.25%
$800
7.248* 10 ^2
4.37* 10 ^ -7
63 students
20%
.000153
Walter is a waiter at the Towne Diner. He earns a daily wage of $50 plus tips that are equal to 15% of the total cost of the dinner he serves. What was the total cost of the dinners he served on Tuesday if he earned $170?
2.1*10^16
8.25%
$800
7.248* 10 ^2
4.37* 10 ^ -7
63 students
20%
.000153
Rewrite the number 0.000000437 using scientific notation.
2.1*10^16
8.25%
$800
7.248* 10 ^2
4.37* 10 ^ -7
63 students
20%
.000153
Last year the Foreign Language Club had 25 members. This year it has 30 members. What is the percent increase in membership?
2.1*10^16
8.25%
$800
7.248* 10 ^2
4.37* 10 ^ -7
63 students
20%
.000153
Simplify (3* 10 ^8)(7* 10^7)
2.1*10^16
8.25%
$800
7.248* 10 ^2
4.37* 10 ^ -7
63 students
20%
.000153
Find 1.53* 10^ -4
2.1*10^16
8.25%
$800
7.248* 10 ^2
4.37* 10 ^ -7
63 students
20%
.000153
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