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The number of significant digits in a number is equal to the number of non zero digits, unless the zeroes fall to the right of the decimal place and are written, in which case all numbers from the leftmost non zero to the right most digit are counted. So, 4200.0 would have five significant digits.

Q: Is The number of significant digits in the mass of a body measuring 4200.0 kg is 2?

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1% of 42000 = 1% * 42000 = 0.01 * 42000 = 420

A. Is it - what is 3 percent of 42?3% of 42= 3% * 42= 0.03 * 42= 1.26B. Is it - what is 3 percent of 42000?3% of 42000= 3% * 42000= 0.03 * 42000= 1260

25% of 42000= 25% * 42000= 0.25 * 42000= 10500

40% of 42,000= 40% * 42000= 0.4 * 42000= 16,800

30% of 42,000= 30% * 42000= 0.3 * 42000= 12,600

Related questions

To find 4 percent of a number, multiply the number by 0.04. In this instance, 0.04 x 42000 = 1680. Therefore, 4 percent of 42000 is equal to 1680.

1% of 42000 = 1% * 42000 = 0.01 * 42000 = 420

A. Is it - what is 3 percent of 42?3% of 42= 3% * 42= 0.03 * 42= 1.26B. Is it - what is 3 percent of 42000?3% of 42000= 3% * 42000= 0.03 * 42000= 1260

42000

42000

20% of 42000 = 0.20 x 42000= 8400

25% of 42000= 25% * 42000= 0.25 * 42000= 10500

40% of 42,000= 40% * 42000= 0.4 * 42000= 16,800

30% of 42,000= 30% * 42000= 0.3 * 42000= 12,600

80% of 42,000 = 80% * 42000 = 0.8 * 42000 = 33,600

3.5 tons 42000 btus

42000