Step-by-step explanation:
Question) 2/5 × 21/4=?
Solution) 2/5 × 21/4 = 21/10 ( 4 cancelled out by 2 and becomes 2 and 2 becomes 1)
21/10 in decimal is 2.1 .
21/10 is the correct answer and 2.1 also.
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Answers & Comments
Step-by-step explanation:
Question) 2/5 × 21/4=?
Solution) 2/5 × 21/4 = 21/10 ( 4 cancelled out by 2 and becomes 2 and 2 becomes 1)
21/10 in decimal is 2.1 .
21/10 is the correct answer and 2.1 also.
Thank you,
Have a nice day,
Mark me as brainliest