# What is the mass of a #405*mL# block of aluminium given that #rho_"Al"=2.70*g*mL^-1#?

##### 2 Answers

Sep 11, 2017

#### Answer:

Approx.

#### Explanation:

Now

Sep 15, 2017

#### Answer:

The mass of the Aluminum would be 1100 grams

#### Explanation:

multiplying the Density by the volume will give the Mass

However 2.7 has only two measured significant number so the answer can not be more precise than the least precise measurement so the answer can only have two significant digits.

Rounding 1093.5 down to two digits gives

1100 grams as the best answer.