Question Text
Question 2 :
Express the result in power notation with positive exponent. $(3^{– 7}÷3^{– 10}) × 3^{– 5}$
Question 3 : <img style='object-fit:contain' src='https://teachmint.storage.googleapis.com/question_assets/cbse_ncert/61b1cccbf59b460d7261ede9.PNG' />
From the above figure, find a single repeater machine that will do the same work as each hook-up.
Question 9 :
Simplify and write the answer in the exponential form. $\frac{1}{8} \times 3^{−3}$
Question 10 :
State true or false: Exponential notation is a powerful way to express repeated multiplication of the same number
Question 11 :
Express in standard form: Size of a bacteria is 0.0000005 m
Question 14 :
The human body has about 100 billion cells. This number can be written in exponential form as
Question 17 :
The diameter of the Sun is $1.4 × 10^9$ m and the diameter of the Earth is $1.2756 × 10^7$ m. What is the comparison between their diameters by division?
Question 19 :
Simplify and write the answer in the exponential form.$(– 4)^{– 3} × (5)^{– 3} × (–5)^{– 3}$
Question 24 :
State true or false: Very large and very small numbers can be expressed in standard form.
