Advertisements
Advertisements
प्रश्न
(–5)–2 × (–5)–3 = (–5)–6
पर्याय
True
False
Advertisements
उत्तर
This statement is False.
Explanation:
LHS = (–5)–2 × (–5)–3
Using law of exponents,
am × an = (a)m + n ...[∵ a is non-zero integer]
∴ (–5)–2 × (–5)–3 = (–5)–2 – 3 = (–5)–5
LHS ≠ RHS
APPEARS IN
संबंधित प्रश्न
Express as a power of a rational number with negative exponent.
(25 ÷ 28) × 2–7
Find the product of the cube of (–2) and the square of (+4).
Find the value of x so that (2–1 + 4–1 + 6–1 + 8–1)x = 1
Use the properties of exponents to verify that statement is true.
25(5n – 2) = 5n
In a repeater machine with 0 as an exponent, the base machine is applied 0 times. What do these machines do to a piece of chalk?

Find a single machine that will do the same job as the given hook-up.
a (× 599) machine followed by a (5–100) machine.
For hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it.

If possible, find a hook-up of prime base number machine that will do the same work as the given stretching machine. Do not use (× 1) machines.

The diameter of the Sun is 1.4 × 109 m and the diameter of the Earth is 1.2756 × 107 m. Compare their diameters by division.
Find x.
`((-6)/7)^(x - 7) = 1`
