Download App

Exponents (Including Laws of Exponents) — MATHS STD 7 — Question

ICSE BoardEnglish MediumSTD 7MATHSExponents (Including Laws of Exponents)3 Marks
Question
Evaluate: $\left(\frac{-3}{-5}\right)^3$
✓

Answer


$\begin{aligned} & \left(\frac{-3}{-5}\right)^3 \\ & =\left(\frac{-3}{-5}\right) \times\left(\frac{-3}{-5}\right) \times\left(\frac{-3}{-5}\right) \\ & =\frac{(-3) \times(-3) \times(-3)}{(-5) \times(-5) \times(-5)} \\ & =\frac{27}{125}\end{aligned}$

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 "[3 marks sum]" from Exponents (Including Laws of Exponents)→Exponents (Including Laws of Exponents) — all question types→MATHS STD 7 question papers→ICSE Board STD 7 question papers→ICSE Board question paper generator→

Similar questions

Solve: $\frac{2 x}{3}+\frac{x}{2}-\frac{3 x}{4}=1$
→
Solve: $\mathrm{y}+\frac{\mathrm{y}}{2}=\frac{7}{4}-\frac{\mathrm{y}}{4}$
→
In an isosceles triangle, each base angle is four times its vertical angle. Find all the angles of the triangle.
→
Triangle ABC is right-angled at vertex A. Calculate the length of BC, if AB = 18 cm and AC = 24 cm.
→
Express: $3 \frac{2}{5}$ as a percent.
→
Evaluate: 0.5 x 0.6 x 0.7
→
What number: When decreased by 40% becomes 480?
→
Evaluate: $\frac{5}{-24}+\frac{-1}{8}+\frac{3}{16}$
→
Write the supplement of $\frac{1}{5}$ of a right angle
→
The length and breadth of a rectangular paper are 35 cm and 22 cm. Find the area of the largest circle which can be cut out of this paper.
→