It depends what x is equal to.
40*10=400
28
20 x 10 = 200.
the answer is 100,000 X10=1,000,000
sixty grams is equal to 6.0 x10^-3 kg
Well 1 mb is equal to 1000 kbs. So bout 0001mbs is equal to 1kb
29000000
Forty, or a piece of lumber 2 in x2 in x10 ft long.
40 approximate square feet!
40 square feet. Multiply length by width to get square feet.
1.3 x10= 13 dg.The answer is; 13decigramsCHEERS! :]
4.5 x 108 = 450,000,000