Advertisements
Advertisements
Question
An electron’s mass is approximately 9.1093826 × 10–31 kilograms. What is this mass in grams?
Solution
Mass of electron = 9.1093826 × 10–31 kg
= 9.1093826 × 10–31 × 1000 g ...[∵ 1 kg = 1000 g]
= 9.1093826 × 10–31 × 103 ...[∵ am × an = (a)m + n]
= 9.1093826 × 10–28 g
APPEARS IN
RELATED QUESTIONS
If x be any integer different from zero and m, n be any integers, then (xm)n is equal to ______.
`(-5/7)^-5` is equal to ______.
For a non-zero rational number p, p13 ÷ p8 is equal to ______.
`[(2/13)^-6 ÷ (2/13)^3]^3 xx (2/13)^-9` = ______.
On multiplying ______ by 2–5 we get 25.
Solve the following:
`(1/2)^-2 ÷ (1/2)^-3`
Find x so that `(2/9)^3 xx (2/9)^-6 = (2/9)^(2x - 1)`
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.
Mass of Mars is 6.42 × 1029 kg and mass of the Sun is 1.99 × 1030 kg. What is the total mass?