3) Efectuează următoarele operații și exprimă de fiecare dată rezultatul în unități ale Sistemului Internațional:
a) 0,0253 hm + 5 dam + 340 cm + 890 mm = ?
b) 560 cm2 + 0,025m2 + 47690 mm2
= ?
c) 2 L + 12 dm3 + 0,01 m3 = ?
d) 450 dL + 78034 mL = ?
e) 2 h 30 min 45 s – 1 h 45 min 55 s = ?
4) Pune în ordine crescătoare mărimile fizice de mai jos:
a) 2 cm2
; 0,35 m2
; 0,015 dam2
; 49 dm2
; 162 mm2
;
b) 3 cm3
; 0,75 m3
; 25 L; 39 dm3
; 185 mm

What is the largest meteoroid that has collided with this planet

Which stable element is used to determine the age of volcanic rock? a- argon b- carbon-14 c- potassium d- carbon-12

Aweather forecaster uses doppler radar to predict the track of a storm near the town of meadowlands. when the doppler signal is pointed at the storm from the town's center, the frequencies of the waves appear to be decreasing. what should the weather forecaster predict? a. that the storm will move around the edges of meadowlands without hitting the tosis center o b. that residents should be prepared, because it is impossible to know whether the storm will hit o c. that the storm is moving toward meadowlands and that residents should be prepared d. that the storm is moving away from meadowlands and is not likely to hit the town