Download App

Exponents and Powers — MATHS STD 8 — Question

Gujarat BoardEnglish MediumSTD 8MATHSExponents and Powers2 Marks
Question
There are $864,00$ seconds in a day. How many days long is a second? Express your answer in scientific notation.
✓

Answer

Total seconds in a day $= 86400$
So, a second is long as $\frac{1}{86400}=0.000077574$
Scientific notation of $0.000011574=1.1574\times10^{-5}\text{days}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Marks Questions" from Exponents and Powers→Exponents and Powers — all question types→MATHS STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

Multiply these binomials.
$(2 x+5)$ and $(4 x-3)$
→
Tell what is the profit or loss in the following transactions. Also find profit per cent or loss per cent in each case.A cupboard bought for $₹ 2,500$ and sold at $₹ 3,000$.
→
Find the value of using the column method:
$(52)^2$
→
Find the multiplicative inverse of: $\frac{-3}{4}$
→
The sum of two numbers is $-8.$ If one of the numbers is $\frac{-15}{7}$ find the other.
→
Using the method of successive subtraction examine whether or not the following numbers are perfect cubes:
$345$
→
Find the remainder when $51439786$ is divided by $3.$ Do this without performing actual division.
→
The diagonals of a rhombus are 7.5 cm and 12 cm . Find its area.
→
Find the square roots of 100 and 169 by the method of repeated subtraction.
→
Find following product:
$ (-5 a) \times\left(-10 a^2\right) \times\left(-2 a^3\right) $
→