Question

questions on the topic exponents and radicals

Answer 1

Q) By what number should $5^{-1}$ be multiplies so that the product may be equal to $-7^{-1}$?

Q) Find the value of x for which $5^{2x}$÷$5^{-3}$=$5^{5}$

Q) 1. Express the following numbers in standard form:

(i) 6020000000000000

(ii) 0.0000000000943

(iii) 0.00000000085

Q) Write the following numbers in the usual form:

(i) 4.83×$10^{7}$

(ii) 3.02×$10^{-6}$

(iii) 4.5×$10^{4}$

Answer 2

Answer:

hiiiiiiiii.................