The phrase "10 decades" is correct and can be used in written English.
It refers to a period of 100 years. Example: "The Great Depression lasted for almost two decades, from 1929 to the late 1930s."
Across 10 decades, taxi drivers have worked alone in the most crowded city in the country.
That searching went on right through his 10 decades of work, and an estimated 40,000 completed paintings.
PAGE 10 Decades After Auschwitz, One Clear Conscience Sixty years after the liberation of Auschwitz, the monstrous statistics of the Nazi camps were recalled.
For if the Volt succeeds, it could put the troubled company on a whole new path after 10 decades tethered to the internal-combustion engine.
Actor Mickey Rooney, who became the United States' biggest movie star while still a brash teenager in the 1930s and later a versatile character actor in a career that spanned 10 decades, has died aged 93.
After all, in exchange for an original investment of $24 million (including land) and a more recent sum of $1 billion for repairs and renovation, the city has received 10 decades of faithful service -- with only minor interruptions.
MONTCLAIR "41/2 Decades of Photography, 1960-2006," works by Fred Rosenberg.
No, proclaimed an ebullient Mr. Neuhaus, "another 50 decades".
That conclusion has been 4 decades coming.
licensed ham for 3 1/2 decades, responded quickly.
The mine has operated about 2 decades.
