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