Advertisements
Advertisements
Question
a3 × a–10 = ______.
Advertisements
Solution
a3 × a–10 = a–7.
Explanation:
Given, a3 × a–10
Using law of exponents,
am × an = (a)m + n ...[∵ a is non-zero integer]
Similarly, a3 × a–10 = (a)3 – 10 = (a)–7
Hence, a3 × a–10 = a–7
APPEARS IN
RELATED QUESTIONS
Simplify and write the answer in the exponential form.
`(- 3)^4 xx (5/3)^4`
For a non-zero integer x, x7 ÷ x12 is equal to ______.
The value of (7–1 – 8–1) –1 – (3–1 – 4–1) –1 is ______.
On dividing 85 by ______ we get 8.
On multiplying ______ by 2–5 we get 25.
The value of `1/4^-2` is equal to 16.
Find the multiplicative inverse of (–7)–2 ÷ (90)–1.
Planet A is at a distance of 9.35 × 106 km from Earth and planet B is 6.27 × 107 km from Earth. Which planet is nearer to Earth?
Find a single repeater machine that will do the same work as hook-up.
For hook-up, determine whether there is a single repeater machine that will do the same work. If so, describe or draw it.
