Divisibility
What is the smallest two-digit prime whose digits are also prime?
What is 25% of 7/11?
7/44
What is the greatest power of 10 that is less than 0.004?
10-3
How many centimeters are in a decimeter?
10 cm
Which number of the following is divisible by 24?
300, 3072, 540
3072
Increasing a number by 36% is the same as multiplying it by what fraction?
34/25
Express this number in standard form.
9.647 x 10-4
0.0009647
Maria needs 3.5 cups of flour for a recipe, and she wants to bake 4 batches of it. If flour comes in bags of 8 cups that cost $18.25 each, how much money does Maria need to spend to get enough flour?
$36.50
What is the greatest prime divisor of 2022?
337
An integer a and its reciprocal 1/a are the roots to a quadratic equation f(x). What is the value of f(0)?
1
Express this number in scientific notation:
2142321
2.142321 x 106
The perimeter of a swimming pool is 25 yards. If the ratio between the length and width is 3:2, what is the length of the width in feet?
15 feet
What is the GCF of the product of any 4 consecutive positive integers?
24
Express 0.44 as a decimal in base 5.
0.21
What is wrong with the following expression (why is it not accurate scientific notation)?
12.03 x 10-12
The non-exponential value must be between 1 and 10, and in this case it is 12.03.
What is the surface area of a lidded can with a height of 5 inches and a radius of 2 inches?
28pi