Page 51 - Start Up Mathematics_8 (Non CCE)

Exemplar Problems

 1 
1. The standard form of   is __________.
 100000000 
5
2. The expression for 3 with a negative exponent is __________.

4
4
3. The exponential form for (–2) ×  5  4 is 5 . (True/False)
 
 2 
 3 −3  4  − 2
− 
4. By what number should   be divided so that the quotient is   ?
 2   27 
6
7
5. Planet A is at a distance of 9.35 × 10 km from earth and planet B is 6.27 × 10 km from earth. Which
planet is nearer to earth?
6. The cells of a bacteria double itself every hour. How many cells will be there after 8 hours, if initially
we start with 1 cell? Express the answer in powers.

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