487 Вправа 487Алгебра 8 клас Бевз 2025 · § 10 · стор. 97

487. Write the number in scientific notation.

a) ${\displaystyle 290000000=}$${\displaystyle 2,9\cdot 100000000=}$${\displaystyle 2,9\cdot 10^8}$;

b) ${\displaystyle 107000000000}$=

=${\displaystyle 1,07\cdot 100000000000=}$${\displaystyle 1,07\cdot 10^{11}}$;

c) ${\displaystyle 130020000000}$=

=${\displaystyle 1,3002\cdot 100000000000=}$${\displaystyle 1,3002\cdot 10^{11}}$;

d) ${\displaystyle 0,000000053}$=

=${\displaystyle 5,3\cdot 0,00000001=}$${\displaystyle 5,3\cdot 10^{-8}}$;

e) ${\displaystyle 0,00000000027}$=

=${\displaystyle 2,7\cdot 0,0000000001=}$${\displaystyle 2,7\cdot 10^{-10}}$;

f) ${\displaystyle 0,00000003405}$=

=${\displaystyle 3,405\cdot 0,00000001=}$${\displaystyle 3,405\cdot 10^{-8}}$.