a) Round 98984 to 1 significant figure.
b) Round 0.0695712 to 2 significant figures.
c) Round 89972 to 3 significant figures.
d) Round 0.004198223 to 3 significant figures.
Urgent I'm doing a test​

a Round 98984 to 1 significant figureb Round 00695712 to 2 significant figuresc Round 89972 to 3 significant figuresd Round 0004198223 to 3 significant figuresU class=