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What is the value of 3 in 7359.05?
300
Multiply 34.05 by 100.
3405
Round 3492 to the nearest hundred.
3500
Round 9.672 to the nearest whole number.
10
Calculate the sum of -5 and -20.
-25
Work out (-10) + (-10) + 20
0
What is the square root of 144?
12
Evaluate 8 to the power of 2.
64
Convert this decimal 0.25 to a fraction in its simplest form.
1/4
What is the 25% of 1000?
250
Complete the proportion by finding the value of n. 3:4:n:20
15
Solve the equation x – 20 =30
50
Work out 50 - (10 + 20) – 30
0
Simplify 10a – 5a +2a - a
6a
90
Express 30 minutes as a fraction of an hour in its simplest form.
1/2
Solve 6x - 20 = 40
x = 10
Work out (-100) + (-200)
-300
Round off 6.4567 to the nearest whole number
6
Simplify 3x + 4y - 5x + 6y - 10x
-12x + 10y
Anna is a microbiology student. She was doing research on optimum temperature for the survival of different strains of bacteria. Studies showed that bacteria X need optimum temperature of -31˚C while bacteria Y need optimum temperature of -56˚C. What is the temperature difference?
25 degrees Celsius
If 3 1/2 m of wire is cut from a piece of 10 m long wire, how much of wire is left?
6 1/2
An alloy contains 26 % of copper. What quantity of alloy is required to get 260 g of copper?
1000 g
There are 50 students in a class. If 14% are absent on a particular day, find the number of students present in the class.
43
Molly bought two heads of cabbage for $1.80. How many heads of cabbage can Willie buy if he has $28.80?
32