Question
Find the value of $2^{-3}$.
✓
Answer
$2^{-3}=\frac{1}{2^{3}}=\frac{1}{8}$
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Using square root table, find the square root:
6929
6929
Which of the following statements are true and which are false? The diagonals of a rhombus are equal.
Find the multiplicative inverse (i.e., reciprocal) of: $\frac{-3}{-5}$
→Name the property of multiplication of rational numbers illustrated by the following statements:
$\frac{7}{4}\times\Big(\frac{-8}{3}+\frac{-13}{12}\Big)=\frac{7}{4}\times\frac{-8}{3}+\frac{7}{4}+\frac{-13}{12}$
→$\frac{7}{4}\times\Big(\frac{-8}{3}+\frac{-13}{12}\Big)=\frac{7}{4}\times\frac{-8}{3}+\frac{7}{4}+\frac{-13}{12}$
Discount is a reduction given on cost price of an article.
Simplify the following and express the result as a rational number in standard form: $\frac{-50}{7}\times\frac{14}{3}$
→Multiply: $-\frac{15}{11}\ \text{by}\ 7$
→$38 x^3 y^2 z \div 19 x y^2$ is equal to _________.
→For each of the following numbers, find the smallest whole number by which it should be multiplied, so as to get a perfect square number. Also, find the square root of the square number, so obtained.
1458
1458
The given graph shows the temperature of a patient in a hospital, recorded every hour. When was the patient's temperature $38.5^\circ C?$
→