Question

standard form of 83490000

Answer 1

Answer:

in which form we need to change

Answer 2

Answer:

Ncert solutions

Grade 8

Mathematics

Science

Chapters in NCERT Solutions - Mathematics , Class 8

Exercises in Exponents and Powers

Question 1

Q1) Express the following numbers in standard form.

(i) 0.0000000000085

(ii) 0.00000000000942

(iii) 6020000000000000

(iv) 0.00000000837

(v) 31860000000

Solution 1:

(i) \frac{85}{10000000000000}

10000000000000

85

=\frac{85}{10^{13}}

10

13

85

=85\times10^{-13}85×10

−13

(ii) \frac{942}{100000000000000}

100000000000000

942

=\frac{942}{10^{14}}

10

14

942

=942\times10^{-14}942×10

−14

(iii) 602\times10000000000000602×10000000000000

=602\times10^{13}602×10

13

(iv) \frac{837}{100000000000}

100000000000

837

\frac{837}{10^{11}}

10

11

837

837\times10^{-11}837×10

−11

(v) 3186\ \times1000000000003186 ×100000000000

=3186\ \times10^{11}3186 ×10

11