Q112 of 196 Page 249

Special balances can weigh something as 0.00000001 gram. Express this number in the standard form.

Weight = 0.00000001 gram


∴ standard form of 0.00000001 gram = 0.1 × 10-7 g


= 1 × 10-1 × 10-7 g


Using the law of exponent,


= 1 × 10-8 g


∴ The number in the standard form is 1 × 10-8 g


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