Answer:
7. 4.2× 10. -3
8. 9.5× 10 9
9. 1.3× 10-3
10. 3.0×10 2
6. 4.5×10⁴
7. 4.2×10^-3
8. 9.5×10^9
9. 1.3×10^-3
10. 3×10²
Step-by-step explanation:
start counting just after the dot . hope it helps
sdddddddddddddddddddddddddssa
3(2+15)= 3(2) + 3(15)
186 milligrams
195 130
—— ——
279 X
Cross multiply
195x = 36270
——— ————
195 195
X = 186
