Perform the following calculations to the appropriate number of signficiant digits `2.6xx10^(3)+2.4xx10^(2)-1.4xx10^(2)`

Perform the following calculations to the appropriate number of signficiant digits (6.02xx10^(23)xx4.00)/(4.0xx10^(20))

Perform the following calculations to the appropriate number of signficiant digits (6.02xx10^(23)xx4.00)/(4.0xx10^(20))

Perform the following calculations to the appropriate number of signficiant digits (6.02xx10^(23)xx4.00)/(4.0xx10^(20))

Calculate to the proper number of significant digits, 4.5xx10^(4)m+ 3.00xx10^(5)mm .

Perform the following calculations upto proper number of significant figures : (i) (1.20 xx 10^(-6)) + (6.00 xx 10^(-5))=? (ii) (2.164 xx 10^(5))^(1//2)=? (iii) (9.13 xx 10^(-2))(7.006 xx 10^(-3))=? (iv) 4.00 xx 10^(-2) + 3.26 xx 10^(-3) +1 xx 10^(-6)=?

(2.4xx10^3)div(8xx10^2)= ?

Perform the following calculations and express the result to proper number of significant figures : (i) 144.3 m^(2) +(2.54 m xx 8.4 m) (ii) (4.05 xx 10^(2) mL)-(0.0225 xx 10^(2) mL) (iii) (3.50 xx 10^(2) cm)(4.00 xx 10^(6) cm)

Subtract according to significant digit. 3.9xx10^(5)-2.5xx10^(4)

Perform each of the following calculations. Round off your answers to three digits. (3.26 xx 10^4) (1.54 xx 10^6)