Advertisements
Advertisements
प्रश्न
Choose the correct option:
In Avogadro’s constant 6.022 × 1023 mol-1, the number of significant figures is ________
विकल्प
3
4
5
6
उत्तर
In Avogadro’s constant 6.022 × 1023 mol-1, the number of significant figures is 4
APPEARS IN
संबंधित प्रश्न
Why there is a need of rounding off figures during calculation?
Why is accurate measurement crucial in science?
Solve the following question:
Round off the following quantity to two significant figures:
0.00254 m
Solve the following question:
Round off the following quantity to two significant figures:
199 g
Solve the following question:
Round off the following quantity to three significant figures:
1.43 cm3
Solve the following question:
Round off the following quantity to three significant figures:
0.039 m
Solve the following question:
Round off the following quantity to three significant figures:
6.398 × 10-3 km
Solve the following question:
Round off the following quantity to three significant figures:
79,000 m
Solve the following question:
Round off the following quantity to three significant figures:
42,150
Solve the following question:
Round off the following quantity to three significant figures:
649.85
Solve the following question:
Round off the following quantity to three significant figures:
23,642,000 mm
Solve the following problem:
Express the following quantity in exponential terms.
70000.0
Solve the following problem:
Give the number of significant figures for the following.
0.002030
Solve the following problem:
Give the number of significant figures for the following.
1.23 × 104
Solve the following problem:
Express the given quantity with or without exponents as the case may be.
1.230 × 104
Solve the following problem:
Express the given quantity with or without exponents as the case may be.
1.23 × 104
Solve the following problem:
Express the given quantity with or without exponents as the case may be.
1.89 × 10-4
Solve the following problem:
Write the following in exponential notation:
0.00461
Solve the following problem:
Write the following in exponential notation:
198.75
Solve the following problem:
Perform the following operation:
1.05 × 10−4 − 9.7 × 10−5
Solve the following problem:
Perform the following operation:
2.12 × 106 − 3.5 × 105
Define: Least count
Define: Least count
Define : Least count
