1

Find the value of expression

 

By using mathematical table 

View Ans


2

Find the value of x in the equation log (2 x + 1) + log 4 = log (7 x + 8).

View Ans


3

Find the value of 0.0000234x 120 in standard notation, correct to three significant figures

View Ans


4

Given log2=0.3010 and log3 =0.4771, find value of  image 

View Ans


5

Simplify the expression   image   without using mathematical tables, expressing the answer correct to two significant figures.

View Ans


6

17. Show that logmn=loga m + logan  

View Ans


7

24. Use mathematical tables to compute

correct to decimal places.

View Ans


8

Evaluate log10 40,500 given that log10 2 = 0.3010 , log10 3 = 0.4771 and log10 5 = 0.6990.

View Ans


9

19.

image Find the value of x.

View Ans


10

18. Solve for x given the equation image leaving your answer in logarithmic form

View Ans


11

image

(ii)   log3 10 + log3 8.1

View Ans


12

17. Complete image

View Ans


13

If nlog5125 =  log264 , find the value of n.

View Ans


14

Show that

View Ans


15

15.Convert the expression 4×10−2 into decimal number.  

View Ans


16

14.Write  image  as a single logarithmic expression  

View Ans


17

5.In the year 2012, the population of the world was 6,760,000,000. Write this population number in a scientific notation. 

View Ans


18

If p = 6.4 × 104 and q = 3.2 × 105 , find the values of:

(i)  p × q ,

(ii)  p + q .

Write the answers in standard form.

View Ans


19

Evaluate

image 

Using mathematical tables and write the answer correctly to 3 significant figures

View Ans


20

Find the value of log900 given that log3 = 0.4771 .

View Ans


21

22.Evaluate 

image 

View Ans


22

16.Write    image

as a single logarithmic expression.

View Ans


23

2.The radius of the earth is about 6, 370, 000 meters. Express the radius in scientific notation.

View Ans


24

Use mathematical table to evaluate

View Ans


25

Simplify  without using mathematical table express your answer in four significant figures.

View Ans


26

If log 2 = 0.3010, without using mathematical tables, find the value of log 5

View Ans


27

Determine the value of y in the equation

log10(3y+2) - 1=log10(y-4)

View Ans


28

If logy + 2log(3x + 1) = 1, express y in terms of x .

View Ans


29

Solve loga(x2 + 3) ? logax = 2loga2

View Ans


30

Solve the equation log45x ? log4(x + 2) ? log43 = 0

View Ans


31

Evaluate without using mathematical tables 2 log 5 + log 36 — log 9.

View Ans


32

Evaluate

image

using logarithmic tables.

View Ans


33

Simplify the expression

View Ans


34

Write image as a single logarithmic expression.

View Ans


35

The number of students who sat for the Primary School Leaving Examination (PSLE) in 2013 was 844,918. Express this number in standard notation.

View Ans


36

Simplify the expression

, hence write the answer in standard form.

View Ans


37

Without using mathematical tables, find the value of 3log 5+ 5log 2 – 2log 2.

View Ans


38

If log 2 = 0.3010, log3 = 0.4771 and log 7 = 0.8451, find log 42.

View Ans


Download Learning
Hub App

For Call,Sms&WhatsApp: 255769929722 / 255754805256