Practice problem
Calculate (5×107)2×(10×106).(5\times 10^7)^2\times (10\times 10^{6}).(5×107)2×(10×106). What is the answer in scientific notation?
50×102050\times 10^{20}50×1020
5×10195\times 10^{19}5×1019
5×10215\times 10^{21}5×1021
500000000000000000000500000000000000000000500000000000000000000
250×1020250\times 10^{20}250×1020
2.5×10222.5\times 10^{22}2.5×1022
2.5×10202.5\times 10^{20}2.5×1020
250000000000000000000025000000000000000000002500000000000000000000
Type a concept, like “slope” or “photosynthesis”.
