PDF chapter test TRY NOW

1. 3.77×1010+7.96×1012 \(=\) i×10i
 
2. 5.107×1012−1.05×1010 \(=\) i×10i
 
3. 2.26×1012×6.049×10−3 \(=\) i×10i
 
4. 4.4×104÷2.2×102 \(=\) i×10i