Year 7 - Q4.5.03
20449
Which calculation is a correct compensation method for \(6.3\times9\)?
A.
\(6.3\times10-6.3\)
B.
\(6.3\times10-1\)
C.
\(6.3\times8+1\)
D.
\(6.3\times10+6.3\)
Hint
Nine copies are ten copies with one copy removed.