Express the quantities with or without exponents as the case may be.
`1.230 xx 10^4`

Express the quantities with or without exponents as the case may be. 1.23 xx 10^4

Express the quantities with or without exponents as the case may be. 1.89 xx 10^-4

Express the quantities with or without exponents as the case may be. 0.002030

Express the quantities in above with or without exponents as the case may be . 0.00461 .

Express the quantities in above with or without exponents as the case may be . 0.000098 .

Express the quantities in above with or without exponents as the case may be . 198.75 .

Express the quantities in above with or without exponents as the case may be . 3,672,199 .

Express the following quantities in exponential terms. 319.5 g - 20460 g - 0.0639 g - 45.642 g - 4.173 g

Give the number of significant figures in each of the following : 1.230 x 10^4

Express the following sum to appropriate number of significant figures : 2.3 xx 10^3 mL + 4.22 xx 10^4 mL + 9.04 xx 10^3 mL + 8.71 xx 10^5 mL