A wire of cross-sectional area 2.2 × 10-6 m2 carries a load of 310 N. The strain in the wire is 0.15%.
Which value of the Young modulus, in Pa\text{Pa}Pa, is correct and expressed to an appropriate number of significant figures?
9.39×1089.39 \times 10^89.39×108
9.4×1089.4 \times 10^89.4×108
9.39×10109.39 \times 10^{10}9.39×1010
9.4×10109.4 \times 10^{10}9.4×1010
