If a student measured the lenngth of a table to be 2.30m instead of 2.50m. What was the percentage error in measuring the length of the table?
Simplify (34 of 49 + 9 12) ÷ 1 519
In base ten, the number 101101 (base 2) equals
If x10 = 235, find x
Simplify 1 23 + 4 14 + 1 512
Simplify: 3−(5n) / 9(1−n) × 27(n+1)
Calculate the simple interest on #7,500 for 8 years at 5% per annum
Simplify: 234 × 224
Solve for x: 8x−2 = 225
If log 7.5 = 0.8751, evaluate 2log 75 + log 750
A cinema hall contains a certain number of people. If 22 12% are children, 47 12% are men and 84 are women, find the number of men in the hall
Solve for y in the equation: 10y × 5(2y−2) × 4(y−1) = 1
If: log81 y = 34 , find y
If log3 18 + log3 3 − log3 x = 3, find x
If 9(2x−1) / 27(x+1) = 1, find the value of x
If a car travels 120km on 45 litres of petrol, how much petrol is needed for a journey of 600km?
If 263 + 441 = 714, what number base has been used?
Simplify: 1 − (17 × 3 12) ÷ 34
The number 25 when converted from the tens and units base to the binary base (base two) is one of the following
Given that: log 2 = 0.3010, log 7 = 0.8451. Evaluate: log 112
If 2257 is the result of subtracting 4577 from 7056 in base n, find n
If log2 3 = x, express log2 96 − 2log2 6 in terms of x
Simplify: (1681)(14) ÷ (916)−(12)
If 27(x+2) ÷ 9(x+1) = 3(2x), find x
Express the product of 0.21 and 0.34 in standard form
Convert 2710 to another number in base three
Find the sum of 256, 526 and 436 in base 8
Without using table, solve the equation: 8x2 = 225
Simplify: (3√64a3)−1
A woman buys 270 oranges #1800.00 and sells at 5 for #40.00. What is her profit?
Evaluate: (212)3 − (121)3 + (222)3
If log3 x2 = −8, what is x?
Evaluate: log2 8 + log2 16 − log2 4
If p:q = 23:56 and q:r = 34:12, find p:q:r
Evaluate: 16 34 + log10 0.01 − log2 64
A number of pencils were shared out among Bisi, Sola and Tunde in the ratio of 2:3:5 respectively. If Bisi got 5, how many were shared out?
Write the decimal number 39 to base 2
If b3 = a−2 and c(13) = a(12)b, express c in terms of a
