Write as an ordinary number: 4,2×1054{,}2\times10^{5}4,2×105
Write as an ordinary number: 6,3×1056{,}3\times10^{5}6,3×105
Write in scientific notation: 81 000
Which number is bigger: 5,1×1055{,}1\times10^{5}5,1×105 or 4×1064\times10^{6}4×106? Explain how you know.
Write as an ordinary number: 7,3×1067{,}3\times10^{6}7,3×106
Write as an ordinary number: 4,8×1034{,}8\times10^{3}4,8×103
Write as an ordinary number: 3,7×1053{,}7\times10^{5}3,7×105
Which number is bigger: 4,5×1044{,}5\times10^{4}4,5×104 or 8,4×1048{,}4\times10^{4}8,4×104? Explain how you know.
The number of heartbeats in a person's lifetime is about 710 000 000. Write 710 000 000 in scientific notation.
Write as an ordinary number: 8×1068\times10^{6}8×106
Write as an ordinary number: 8,4×1038{,}4\times10^{3}8,4×103
The number of heartbeats in a person's lifetime is about 700 000 000. Write 700 000 000 in scientific notation.