astronaut scott kelly set a record for the longest time spent in space on a single mission. he spent 3.4 ×…

astronaut scott kelly set a record for the longest time spent in space on a single mission. he spent 3.4 × 10² days in space. complete the sentence. scott kelly spent about ______ in space on his record - breaking mission. a decade a year a week a month

astronaut scott kelly set a record for the longest time spent in space on a single mission. he spent 3.4 × 10² days in space. complete the sentence. scott kelly spent about ______ in space on his record - breaking mission. a decade a year a week a month

Answer

Explanation:

Step1: Calculate the value of $3.4\times10^{2}$

$3.4\times10^{2}=3.4\times100 = 340$ days

Step2: Compare with time - units

A decade has about $365\times10 = 3650$ days. A year has about 365 days. A week has 7 days. A month has about 30 days. 340 days is closest to the number of days in a year.

Answer:

a year