Help i dont get it and i'm almost out of time plz help plz. i'll give you the brain thing if you give me the right answer. Write 7.2 × 10–4 in standard notation.

A.
0.000072

B.
0.00072

C.
7,200

2.6

1.4

The answers is 0.00072 which is B

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.