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प्रश्न
(–5)–2 × (–5)–3 = (–5)–6
विकल्प
True
False
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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
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संबंधित प्रश्न
3–2 can be written as ______.
The value of (–2)2×3 – 1 is ______.
Cube of `-1/2` is ______.
`(2/3)^-2 xx (2/3)^-5 = (2/3)^10`
50 = 5
Express as a power of a rational number with negative exponent.
`(((-3)/2)^-2)^-3`
An insect is on the 0 point of a number line, hopping towards 1. She covers half the distance from her current location to 1 with each hop. So, she will be at `1/2` after one hop, `3/4` after two hops, and so on.
- Make a table showing the insect’s location for the first 10 hops.
- Where will the insect be after n hops?
- Will the insect ever get to 1? Explain.
Fill in the blanks
Find a single repeater machine that will do the same work as hook-up.
If a = – 1, b = 2, then find the value of the following:
ab ÷ ba
