Aaron Wong
Calculate (3×105)+(6×105) and .(8×10−8)+(9×10−8). Give your final answer in scientific notation.
Calculate (4×107)+(7×108) and .(6×10−5)+(9×10−4). Give your final answer in scientific notation.
Calculate (3×104)⋅(6×105) and .(5×10−8)⋅(8×10−6). Give your final answer in scientific notation.
Calculate (8×104)⋅(4×10−6) and .(9×10−3)⋅(2×104). Give your final answer in scientific notation.