15^3
1x1x1=1 2x2x2=8 3x3x3=27 4x4x4=64 5x5x5=125 6x6x6=216 7x7x7=343 8x8x8=512 9x9x9=729 10x10x10=1000 11x11x11=1331 12x12x12=1728 13x13x13=2197 14x14x14=2744 15x15x15=3375 16x16x16=4096 17x17x17=4913 18x18x18=5832 19x19x19=6859 20x20x20=8000 21x21x21=9261 use calculator to work out the rest cant be bothered to write out any more LOL :-)
concrete cube of 15x15x15 is used fortesting compressive strength.durability testeffloresence test.
15^3
It could be 3^3*5^3.
3375. (15x15x15)
15 cubed means 15 times itself three times (15x15x15). 15 cubed is equal to 3,375.
1x1x1=1 2x2x2=8 3x3x3=27 4x4x4=64 5x5x5=125 6x6x6=216 7x7x7=343 8x8x8=512 9x9x9=729 10x10x10=1000 11x11x11=1331 12x12x12=1728 13x13x13=2197 14x14x14=2744 15x15x15=3375 16x16x16=4096 17x17x17=4913 18x18x18=5832 19x19x19=6859 20x20x20=8000 21x21x21=9261 use calculator to work out the rest cant be bothered to write out any more LOL :-)
27x2=54+9=63/9=7+15=22x3=66/6=11+12=23x3=69-18=51. Therefore 51 is your answer