First, you multiply 2.1 by 3.2, which gives you the answer of 6.72. Then, you multiply 10-2 by 10-4. One rule about multiplying exponents, you just add the exponents. So 10-2 x 10-4 = 10-6. Finally you get the answer of C. 6.72 x 10-6.
Answer:
a would be 2/9 and b would b 1/4 and c would be 0.17
Step-by-step explanation:
Answer:
120
Step-by-step explanation:
Boys will be the'2' of this ratio
e we know that 2x3 = 6
so, 40 x 3 will give us the number of girls
Answer:
the answer is 0,3
Step-by-step explanation: