HSC Science (General) 11th Standard - Maharashtra State Board Question Bank Solutions

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:

0.0179 g

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 question:

Round off the following quantity to three significant figures:

0.0041962 kg

Express the following sum to the appropriate number of significant figures:

2.3 × 10³ mL + 4.22 × 10⁴ mL + 9.04 × 10³ mL + 8.71 × 10⁵ mL

Solve the following question:

Express the following sum to the appropriate number of significant figures:

319.5 g − 20460 g − 0.0639 g − 45.642 g − 4.173 g

Solve the following problem:

Express the following quantity in exponential terms.

0.0003498

Solve the following problem:

Express the following quantity in exponential terms.

235.4678

Solve the following problem:

Express the following quantity in exponential terms.

70000.0

Solve the following problem:

Express the following quantity in exponential terms.

1569.00

Solve the following problem:

Give the number of significant figures for the following.

1.230 × 10⁴

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:

Give the number of significant figures for the following.

1.89 × 10^-4

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.

0.002030